diff --git a/.golangci.yml b/.golangci.yml
index 350c4328..64686942 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -75,7 +75,6 @@ linters:
     - wrapcheck
   disable:
     - exhaustruct # initializing every struct makes tests longer without much benefit (spencerschrock)
-    - paralleltest # need to investigate rate limit issues before re-enabling? (#2527)
     - testpackage # tests don't need their own package (spencerschrock)
   presets:
     - bugs
diff --git a/attestor/command/cli_test.go b/attestor/command/cli_test.go
index ca0a7d49..0ba51627 100644
--- a/attestor/command/cli_test.go
+++ b/attestor/command/cli_test.go
@@ -20,43 +20,41 @@ import (
 )
 
 func Test_addSignFlags(t *testing.T) {
+	t.Parallel()
 	type args struct {
 		cmd *cobra.Command
 	}
-	testName := "Test addSignFlags"
 	testArgs := args{
 		cmd: &cobra.Command{},
 	}
 
-	t.Run(testName, func(t *testing.T) {
-		addSignFlags(testArgs.cmd)
-		// persistent flags of Image being set has to be tested in the integration test
-		if testArgs.cmd.PersistentFlags().Lookup("image") == nil {
-			t.Errorf("addSignFlags() did not add persistent flag 'image'")
-		}
-		if testArgs.cmd.PersistentFlags().Lookup("attestation-project") == nil {
-			t.Errorf("addSignFlags() did not add persistent flag 'attestation-project'")
-		}
-		if testArgs.cmd.PersistentFlags().Lookup("overwrite") == nil {
-			t.Errorf("addSignFlags() did not add persistent flag 'overwrite'")
-		}
-		if testArgs.cmd.PersistentFlags().Lookup("kms-key-name") == nil {
-			t.Errorf("addSignFlags() did not add persistent flag 'kms-key-name'")
-		}
-		if testArgs.cmd.PersistentFlags().Lookup("kms-digest-alg") == nil {
-			t.Errorf("addSignFlags() did not add persistent flag 'kms-digest-alg'")
-		}
-		if testArgs.cmd.PersistentFlags().Lookup("pgp-private-key") == nil {
-			t.Errorf("addSignFlags() did not add persistent flag 'pgp-private-key'")
-		}
-		if testArgs.cmd.PersistentFlags().Lookup("pgp-passphrase") == nil {
-			t.Errorf("addSignFlags() did not add persistent flag 'pgp-passphrase'")
-		}
-		if testArgs.cmd.PersistentFlags().Lookup("pkix-private-key") == nil {
-			t.Errorf("addSignFlags() did not add persistent flag 'pkix-private-key'")
-		}
-		if testArgs.cmd.PersistentFlags().Lookup("pkix-alg") == nil {
-			t.Errorf("addSignFlags() did not add persistent flag 'pkix-alg'")
-		}
-	})
+	addSignFlags(testArgs.cmd)
+	// persistent flags of Image being set has to be tested in the integration test
+	if testArgs.cmd.PersistentFlags().Lookup("image") == nil {
+		t.Errorf("addSignFlags() did not add persistent flag 'image'")
+	}
+	if testArgs.cmd.PersistentFlags().Lookup("attestation-project") == nil {
+		t.Errorf("addSignFlags() did not add persistent flag 'attestation-project'")
+	}
+	if testArgs.cmd.PersistentFlags().Lookup("overwrite") == nil {
+		t.Errorf("addSignFlags() did not add persistent flag 'overwrite'")
+	}
+	if testArgs.cmd.PersistentFlags().Lookup("kms-key-name") == nil {
+		t.Errorf("addSignFlags() did not add persistent flag 'kms-key-name'")
+	}
+	if testArgs.cmd.PersistentFlags().Lookup("kms-digest-alg") == nil {
+		t.Errorf("addSignFlags() did not add persistent flag 'kms-digest-alg'")
+	}
+	if testArgs.cmd.PersistentFlags().Lookup("pgp-private-key") == nil {
+		t.Errorf("addSignFlags() did not add persistent flag 'pgp-private-key'")
+	}
+	if testArgs.cmd.PersistentFlags().Lookup("pgp-passphrase") == nil {
+		t.Errorf("addSignFlags() did not add persistent flag 'pgp-passphrase'")
+	}
+	if testArgs.cmd.PersistentFlags().Lookup("pkix-private-key") == nil {
+		t.Errorf("addSignFlags() did not add persistent flag 'pkix-private-key'")
+	}
+	if testArgs.cmd.PersistentFlags().Lookup("pkix-alg") == nil {
+		t.Errorf("addSignFlags() did not add persistent flag 'pkix-alg'")
+	}
 }
diff --git a/checker/detail_logger_impl_test.go b/checker/detail_logger_impl_test.go
index c1cebcb8..e81901d3 100644
--- a/checker/detail_logger_impl_test.go
+++ b/checker/detail_logger_impl_test.go
@@ -18,6 +18,7 @@ import (
 )
 
 func Test_logger_Info(t *testing.T) {
+	t.Parallel()
 	l := &logger{
 		logs: []CheckDetail{},
 	}
@@ -28,6 +29,7 @@ func Test_logger_Info(t *testing.T) {
 }
 
 func Test_logger_Warn(t *testing.T) {
+	t.Parallel()
 	l := &logger{
 		logs: []CheckDetail{},
 	}
@@ -38,6 +40,7 @@ func Test_logger_Warn(t *testing.T) {
 }
 
 func Test_logger_Flush(t *testing.T) {
+	t.Parallel()
 	l := &logger{
 		logs: []CheckDetail{},
 	}
@@ -52,6 +55,7 @@ func Test_logger_Flush(t *testing.T) {
 }
 
 func Test_logger_Logs(t *testing.T) {
+	t.Parallel()
 	l := &logger{
 		logs: []CheckDetail{},
 	}
@@ -62,6 +66,7 @@ func Test_logger_Logs(t *testing.T) {
 }
 
 func Test_logger_Debug(t *testing.T) {
+	t.Parallel()
 	l := &logger{
 		logs: []CheckDetail{},
 	}
@@ -72,6 +77,7 @@ func Test_logger_Debug(t *testing.T) {
 }
 
 func TestNewLogger(t *testing.T) {
+	t.Parallel()
 	l := NewLogger()
 	if l == nil {
 		t.Errorf("expected non-nil logger, got nil")
diff --git a/checker/raw_result_test.go b/checker/raw_result_test.go
index 7c519e73..4a04d7d0 100644
--- a/checker/raw_result_test.go
+++ b/checker/raw_result_test.go
@@ -20,6 +20,7 @@ import (
 )
 
 func TestFile_Location(t *testing.T) {
+	t.Parallel()
 	file := File{
 		Type:      finding.FileTypeSource,
 		Path:      "bar.go",
diff --git a/checks/evaluation/pinned_dependencies_test.go b/checks/evaluation/pinned_dependencies_test.go
index c90c07e7..41b6d6c6 100644
--- a/checks/evaluation/pinned_dependencies_test.go
+++ b/checks/evaluation/pinned_dependencies_test.go
@@ -988,6 +988,7 @@ func Test_addWorkflowPinnedResult(t *testing.T) {
 }
 
 func TestGenerateText(t *testing.T) {
+	t.Parallel()
 	tests := []struct {
 		name         string
 		dependency   *checker.Dependency
@@ -1016,7 +1017,9 @@ func TestGenerateText(t *testing.T) {
 	}
 
 	for _, tc := range tests {
+		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
 			result := generateTextUnpinned(tc.dependency)
 			if !cmp.Equal(tc.expectedText, result) {
 				t.Errorf("generateText mismatch (-want +got):\n%s", cmp.Diff(tc.expectedText, result))
diff --git a/checks/evaluation/signed_releases_test.go b/checks/evaluation/signed_releases_test.go
index 35cf5cff..53a8ee36 100644
--- a/checks/evaluation/signed_releases_test.go
+++ b/checks/evaluation/signed_releases_test.go
@@ -26,6 +26,7 @@ import (
 )
 
 func TestSignedReleases(t *testing.T) {
+	t.Parallel()
 	tests := []struct {
 		name           string
 		releases       []clients.Release
@@ -93,7 +94,9 @@ func TestSignedReleases(t *testing.T) {
 	}
 
 	for _, tc := range tests {
+		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
 			dl := &scut.TestDetailLogger{}
 			data := &checker.SignedReleasesData{Releases: tc.releases}
 			actualResult := SignedReleases("Signed-Releases", dl, data)
diff --git a/checks/raw/binary_artifact_test.go b/checks/raw/binary_artifact_test.go
index ae9970bc..ace73e34 100644
--- a/checks/raw/binary_artifact_test.go
+++ b/checks/raw/binary_artifact_test.go
@@ -258,6 +258,7 @@ func TestBinaryArtifacts(t *testing.T) {
 }
 
 func TestBinaryArtifacts_workflow_runs_unsupported(t *testing.T) {
+	t.Parallel()
 	ctrl := gomock.NewController(t)
 	mockRepoClient := mockrepo.NewMockRepoClient(ctrl)
 	const jarFile = "gradle-wrapper.jar"
diff --git a/checks/raw/contributors_test.go b/checks/raw/contributors_test.go
index 7b2da17c..f7a2c51d 100644
--- a/checks/raw/contributors_test.go
+++ b/checks/raw/contributors_test.go
@@ -105,6 +105,7 @@ func TestOrgContains(t *testing.T) {
 }
 
 func TestContributors(t *testing.T) {
+	t.Parallel()
 	ctrl := gomock.NewController(t)
 	defer ctrl.Finish()
 
diff --git a/checks/raw/license_test.go b/checks/raw/license_test.go
index ce5a6031..bc54e26c 100644
--- a/checks/raw/license_test.go
+++ b/checks/raw/license_test.go
@@ -646,7 +646,6 @@ func TestLicenseFileCheck(t *testing.T) {
 		},
 	}
 
-	//nolint:paralleltest
 	for _, tt := range tests {
 		tt := tt // Re-initializing variable so it is not changed while executing the closure below
 		for _, ext := range tt.extensions {
diff --git a/checks/raw/maintained_test.go b/checks/raw/maintained_test.go
index 21171756..5dc5db82 100644
--- a/checks/raw/maintained_test.go
+++ b/checks/raw/maintained_test.go
@@ -26,6 +26,7 @@ import (
 	mockrepo "github.com/ossf/scorecard/v4/clients/mockclients"
 )
 
+//nolint:paralleltest // need to break into separate tests
 func TestMaintained(t *testing.T) {
 	ctrl := gomock.NewController(t)
 	defer ctrl.Finish()
diff --git a/checks/raw/shell_download_validate_test.go b/checks/raw/shell_download_validate_test.go
index e7f615ca..44dfe065 100644
--- a/checks/raw/shell_download_validate_test.go
+++ b/checks/raw/shell_download_validate_test.go
@@ -112,6 +112,7 @@ func TestValidateShellFile(t *testing.T) {
 }
 
 func Test_isDotNetUnpinnedDownload(t *testing.T) {
+	t.Parallel()
 	type args struct {
 		cmd []string
 	}
@@ -206,7 +207,9 @@ func Test_isDotNetUnpinnedDownload(t *testing.T) {
 		},
 	}
 	for _, tt := range tests {
+		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			if got := isNugetUnpinnedDownload(tt.args.cmd); got != tt.want {
 				t.Errorf("isNugetUnpinnedDownload() = %v, want %v", got, tt.want)
 			}
@@ -215,6 +218,7 @@ func Test_isDotNetUnpinnedDownload(t *testing.T) {
 }
 
 func Test_isGoUnpinnedDownload(t *testing.T) {
+	t.Parallel()
 	type args struct {
 		cmd []string
 	}
@@ -239,7 +243,9 @@ func Test_isGoUnpinnedDownload(t *testing.T) {
 		},
 	}
 	for _, tt := range tests {
+		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			if got := isGoUnpinnedDownload(tt.args.cmd); got != tt.want {
 				t.Errorf("isGoUnpinnedDownload() = %v, want %v", got, tt.want)
 			}
@@ -248,6 +254,7 @@ func Test_isGoUnpinnedDownload(t *testing.T) {
 }
 
 func Test_isNpmDownload(t *testing.T) {
+	t.Parallel()
 	type args struct {
 		cmd []string
 	}
@@ -272,7 +279,9 @@ func Test_isNpmDownload(t *testing.T) {
 		},
 	}
 	for _, tt := range tests {
+		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			if got := isNpmDownload(tt.args.cmd); got != tt.want {
 				t.Errorf("isNpmDownload() = %v, want %v", got, tt.want)
 			}
@@ -281,6 +290,7 @@ func Test_isNpmDownload(t *testing.T) {
 }
 
 func Test_isNpmUnpinnedDownload(t *testing.T) {
+	t.Parallel()
 	type args struct {
 		cmd []string
 	}
@@ -305,7 +315,9 @@ func Test_isNpmUnpinnedDownload(t *testing.T) {
 		},
 	}
 	for _, tt := range tests {
+		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			if got := isNpmUnpinnedDownload(tt.args.cmd); got != tt.want {
 				t.Errorf("isNpmUnpinnedDownload() = %v, want %v", got, tt.want)
 			}
diff --git a/clients/git/client_test.go b/clients/git/client_test.go
index 483bad59..0bfa45a2 100644
--- a/clients/git/client_test.go
+++ b/clients/git/client_test.go
@@ -77,8 +77,8 @@ func createTestRepo(t *testing.T) (path string) {
 	return dir
 }
 
-//nolint:paralleltest
 func TestInitRepo(t *testing.T) {
+	t.Parallel()
 	tests := []struct { //nolint:govet
 		name        string
 		uri         string
@@ -112,6 +112,7 @@ func TestInitRepo(t *testing.T) {
 	for _, test := range tests {
 		test := test
 		t.Run(test.name, func(t *testing.T) {
+			t.Parallel()
 			uri := fmt.Sprintf(test.uri, repoPath)
 
 			client := &Client{}
@@ -124,6 +125,7 @@ func TestInitRepo(t *testing.T) {
 }
 
 func TestListCommits(t *testing.T) {
+	t.Parallel()
 	repoPath := createTestRepo(t)
 
 	client := &Client{}
@@ -147,8 +149,8 @@ func TestListCommits(t *testing.T) {
 	}
 }
 
-//nolint:paralleltest
 func TestSearch(t *testing.T) {
+	t.Parallel()
 	testCases := []struct {
 		name     string
 		request  clients.SearchRequest
@@ -215,7 +217,9 @@ func TestSearch(t *testing.T) {
 	}
 
 	for _, tc := range testCases {
+		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
 			client := &Client{}
 			uri := fmt.Sprintf("file://%s", repoPath)
 			if err := client.InitRepo(uri, "HEAD", 1); err != nil {
diff --git a/clients/githubrepo/checkruns_test.go b/clients/githubrepo/checkruns_test.go
index 2d12d68e..ad563926 100644
--- a/clients/githubrepo/checkruns_test.go
+++ b/clients/githubrepo/checkruns_test.go
@@ -22,6 +22,7 @@ import (
 )
 
 func Test_init_clearsErr(t *testing.T) {
+	t.Parallel()
 	handler := &checkrunsHandler{errSetup: sce.ErrScorecardInternal}
 	handler.init(context.Background(), nil, 0)
 	if handler.errSetup != nil {
diff --git a/clients/githubrepo/graphql_test.go b/clients/githubrepo/graphql_test.go
index 0edb5243..1dd95aa9 100644
--- a/clients/githubrepo/graphql_test.go
+++ b/clients/githubrepo/graphql_test.go
@@ -35,6 +35,7 @@ func (b badGatewayRoundTripper) RoundTrip(*http.Request) (*http.Response, error)
 }
 
 func Test_getCommits_retry(t *testing.T) {
+	t.Parallel()
 	var nRequests int
 	rt := badGatewayRoundTripper{requestCounter: &nRequests}
 	handler := graphqlHandler{
diff --git a/clients/githubrepo/internal/fnmatch/fnmatch_test.go b/clients/githubrepo/internal/fnmatch/fnmatch_test.go
index 3059568b..617506a3 100644
--- a/clients/githubrepo/internal/fnmatch/fnmatch_test.go
+++ b/clients/githubrepo/internal/fnmatch/fnmatch_test.go
@@ -19,6 +19,7 @@ import (
 )
 
 func TestMatch(t *testing.T) {
+	t.Parallel()
 	tests := []struct {
 		pattern string
 		path    string
diff --git a/clients/githubrepo/roundtripper/tokens/accessor_test.go b/clients/githubrepo/roundtripper/tokens/accessor_test.go
index 129b959c..0996f984 100644
--- a/clients/githubrepo/roundtripper/tokens/accessor_test.go
+++ b/clients/githubrepo/roundtripper/tokens/accessor_test.go
@@ -20,7 +20,7 @@ import (
 	"testing"
 )
 
-//nolint:paralleltest
+//nolint:paralleltest // test uses t.Setenv
 func TestMakeTokenAccessor(t *testing.T) {
 	tests := []struct {
 		name           string
diff --git a/clients/githubrepo/roundtripper/tokens/round_robin_test.go b/clients/githubrepo/roundtripper/tokens/round_robin_test.go
index f6a4e20b..ac9e846e 100644
--- a/clients/githubrepo/roundtripper/tokens/round_robin_test.go
+++ b/clients/githubrepo/roundtripper/tokens/round_robin_test.go
@@ -17,7 +17,7 @@ import (
 	"testing"
 )
 
-//golint:paralleltest
+//nolint:paralleltest // order dependent
 func TestNext(t *testing.T) {
 	tokens := []string{"token1", "token2", "token3", "token4", "token5"}
 	rr := makeRoundRobinAccessor(tokens)
@@ -35,6 +35,7 @@ func TestNext(t *testing.T) {
 	}
 
 	for _, tt := range tests {
+		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
 			if tt.releaseID != nil {
 				rr.Release(*tt.releaseID)
diff --git a/clients/githubrepo/roundtripper/tokens/rpc_test.go b/clients/githubrepo/roundtripper/tokens/rpc_test.go
index 2a0c74b5..f8a259a9 100644
--- a/clients/githubrepo/roundtripper/tokens/rpc_test.go
+++ b/clients/githubrepo/roundtripper/tokens/rpc_test.go
@@ -45,6 +45,7 @@ func newMockTokenAccessor(tokens []string) *mockTokenAccessor {
 }
 
 func TestTokenOverRPC_Next(t *testing.T) {
+	t.Parallel()
 	mockClient := newMockTokenAccessor([]string{"token1", "token2", "token3"})
 	rpc := NewTokenOverRPC(mockClient)
 	token := &Token{}
@@ -66,6 +67,7 @@ func TestTokenOverRPC_Next(t *testing.T) {
 }
 
 func TestTokenOverRPC_Release(t *testing.T) {
+	t.Parallel()
 	mockClient := newMockTokenAccessor([]string{"token1", "token2", "token3"})
 	rpc := NewTokenOverRPC(mockClient)
 
diff --git a/clients/gitlabrepo/repo_test.go b/clients/gitlabrepo/repo_test.go
index a46250de..c5f8d018 100644
--- a/clients/gitlabrepo/repo_test.go
+++ b/clients/gitlabrepo/repo_test.go
@@ -119,6 +119,7 @@ func TestRepoURL_IsValid(t *testing.T) {
 }
 
 func TestRepoURL_MakeGitLabRepo(t *testing.T) {
+	t.Parallel()
 	tests := []struct {
 		repouri      string
 		expected     bool
diff --git a/clients/ossfuzz/client_test.go b/clients/ossfuzz/client_test.go
index dbb856fd..cb7d455b 100644
--- a/clients/ossfuzz/client_test.go
+++ b/clients/ossfuzz/client_test.go
@@ -198,6 +198,7 @@ func setupServer(t *testing.T) string {
 }
 
 func TestAllClientMethods(t *testing.T) {
+	t.Parallel()
 	c := CreateOSSFuzzClient("testURL")
 
 	// Test InitRepo
diff --git a/cmd/internal/scdiff/app/compare/compare_test.go b/cmd/internal/scdiff/app/compare/compare_test.go
index a36146a1..3625e650 100644
--- a/cmd/internal/scdiff/app/compare/compare_test.go
+++ b/cmd/internal/scdiff/app/compare/compare_test.go
@@ -22,6 +22,7 @@ import (
 )
 
 func TestResults(t *testing.T) {
+	t.Parallel()
 	//nolint:govet // field alignment
 	tests := []struct {
 		name      string
@@ -213,7 +214,9 @@ func TestResults(t *testing.T) {
 		},
 	}
 	for _, tt := range tests {
+		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			if got := Results(tt.a, tt.b); got != tt.wantEqual {
 				t.Errorf("Results() = %v, want %v", got, tt.wantEqual)
 			}
diff --git a/cmd/internal/scdiff/app/format/format_test.go b/cmd/internal/scdiff/app/format/format_test.go
index 18c69136..f9d11292 100644
--- a/cmd/internal/scdiff/app/format/format_test.go
+++ b/cmd/internal/scdiff/app/format/format_test.go
@@ -166,6 +166,7 @@ func TestJSON(t *testing.T) {
 }
 
 func Test_normalize_nil_safe(t *testing.T) {
+	t.Parallel()
 	var x, y *pkg.ScorecardResult
 	Normalize(x)
 	Normalize(y)
diff --git a/cmd/internal/scdiff/app/runner/runner_test.go b/cmd/internal/scdiff/app/runner/runner_test.go
index 07bfb613..fd79a744 100644
--- a/cmd/internal/scdiff/app/runner/runner_test.go
+++ b/cmd/internal/scdiff/app/runner/runner_test.go
@@ -25,6 +25,7 @@ import (
 )
 
 func TestNew(t *testing.T) {
+	t.Parallel()
 	r := New(nil)
 	if len(r.enabledChecks) == 0 {
 		t.Errorf("runner has no checks to run: %v", r.enabledChecks)
@@ -37,6 +38,7 @@ func TestNew(t *testing.T) {
 }
 
 func TestRunner_Run(t *testing.T) {
+	t.Parallel()
 	ctrl := gomock.NewController(t)
 	mockRepo := mockrepo.NewMockRepoClient(ctrl)
 	commit := []clients.Commit{{SHA: "foo"}}
diff --git a/dependencydiff/dependencydiff_test.go b/dependencydiff/dependencydiff_test.go
index 3717371a..80e59c01 100644
--- a/dependencydiff/dependencydiff_test.go
+++ b/dependencydiff/dependencydiff_test.go
@@ -25,6 +25,7 @@ import (
 )
 
 func Test_initRepoAndClientByChecks(t *testing.T) {
+	t.Parallel()
 	//nolint:govet
 	tests := []struct {
 		name                           string
@@ -57,6 +58,7 @@ func Test_initRepoAndClientByChecks(t *testing.T) {
 	for _, tt := range tests {
 		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			err := initRepoAndClientByChecks(&tt.dCtx, tt.srcRepo)
 			if (err != nil) != tt.wantErr {
 				t.Errorf("initClientByChecks() error = {%v}, want error: %v", err, tt.wantErr)
@@ -83,6 +85,7 @@ func Test_initRepoAndClientByChecks(t *testing.T) {
 }
 
 func Test_getScorecardCheckResults(t *testing.T) {
+	t.Parallel()
 	tests := []struct {
 		name    string
 		dCtx    dependencydiffContext
@@ -102,6 +105,7 @@ func Test_getScorecardCheckResults(t *testing.T) {
 	for _, tt := range tests {
 		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			err := getScorecardCheckResults(&tt.dCtx)
 			if (err != nil) != tt.wantErr {
 				t.Errorf("getScorecardCheckResults() error = {%v}, want error: %v", err, tt.wantErr)
@@ -112,6 +116,7 @@ func Test_getScorecardCheckResults(t *testing.T) {
 }
 
 func Test_mapDependencyEcosystemNaming(t *testing.T) {
+	t.Parallel()
 	//nolint:govet
 	tests := []struct {
 		name      string
@@ -167,6 +172,7 @@ func Test_mapDependencyEcosystemNaming(t *testing.T) {
 	for _, tt := range tests {
 		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			err := mapDependencyEcosystemNaming(tt.deps)
 			if tt.errWanted != nil && errors.Is(tt.errWanted, err) {
 				t.Errorf("not a wanted error, want:%v, got:%v", tt.errWanted, err)
@@ -177,6 +183,7 @@ func Test_mapDependencyEcosystemNaming(t *testing.T) {
 }
 
 func Test_isSpecifiedByUser(t *testing.T) {
+	t.Parallel()
 	tests := []struct {
 		name               string
 		ct                 pkg.ChangeType
@@ -214,6 +221,7 @@ func Test_isSpecifiedByUser(t *testing.T) {
 	for _, tt := range tests {
 		tt := tt
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			result := isSpecifiedByUser(tt.ct, tt.changeTypesToCheck)
 			if result != tt.resultWanted {
 				t.Errorf("result (%v) != result wanted (%v)", result, tt.resultWanted)
diff --git a/e2e/e2e_suite_test.go b/e2e/e2e_suite_test.go
index efe1125a..e1f59f2e 100644
--- a/e2e/e2e_suite_test.go
+++ b/e2e/e2e_suite_test.go
@@ -25,6 +25,7 @@ import (
 	"github.com/ossf/scorecard/v4/log"
 )
 
+//nolint:paralleltest // avoiding parallel e2e tests due to rate limit concerns (#2527)
 func TestE2e(t *testing.T) {
 	if val, exists := os.LookupEnv("SKIP_GINKGO"); exists && val == "1" {
 		t.Skip()
diff --git a/errors/internal_test.go b/errors/internal_test.go
index b1ea3b74..e83c3dd0 100644
--- a/errors/internal_test.go
+++ b/errors/internal_test.go
@@ -21,6 +21,7 @@ import (
 )
 
 func TestCreateInternal(t *testing.T) {
+	t.Parallel()
 	type args struct {
 		e   error
 		msg string
@@ -39,6 +40,7 @@ func TestCreateInternal(t *testing.T) {
 	}
 
 	t.Run(test.name, func(t *testing.T) {
+		t.Parallel()
 		if got := CreateInternal(test.args.e, test.args.msg); got.Error() != test.want.Error() {
 			t.Errorf("CreateInternal() = %v, want %v", got, test.want)
 		}
diff --git a/pkg/json_raw_results_test.go b/pkg/json_raw_results_test.go
index 7b489c32..d9391c8c 100644
--- a/pkg/json_raw_results_test.go
+++ b/pkg/json_raw_results_test.go
@@ -472,6 +472,7 @@ func TestJsonScorecardRawResult_AddMaintainedRawResults(t *testing.T) {
 }
 
 func TestSetDefaultCommitData(t *testing.T) {
+	t.Parallel()
 	// Define some test data.
 	changesets := []checker.Changeset{
 		{
@@ -657,6 +658,7 @@ func TestJsonScorecardRawResult_AddCodeReviewRawResults(t *testing.T) {
 }
 
 func TestAddCodeReviewRawResults(t *testing.T) {
+	t.Parallel()
 	r := &jsonScorecardRawResult{}
 	cr := &checker.CodeReviewData{
 		DefaultBranchChangesets: []checker.Changeset{
@@ -729,6 +731,7 @@ func TestAddCodeReviewRawResults(t *testing.T) {
 }
 
 func TestAddLicenseRawResults(t *testing.T) {
+	t.Parallel()
 	// Create a new jsonScorecardRawResult instance
 	r := &jsonScorecardRawResult{}
 
@@ -793,6 +796,7 @@ func TestAddLicenseRawResults(t *testing.T) {
 }
 
 func TestAddBinaryArtifactRawResults(t *testing.T) {
+	t.Parallel()
 	r := &jsonScorecardRawResult{}
 	ba := &checker.BinaryArtifactData{
 		Files: []checker.File{
@@ -831,6 +835,7 @@ func TestAddBinaryArtifactRawResults(t *testing.T) {
 }
 
 func TestAddSecurityPolicyRawResults(t *testing.T) {
+	t.Parallel()
 	r := &jsonScorecardRawResult{}
 	sp := &checker.SecurityPolicyData{
 		PolicyFiles: []checker.SecurityPolicyFile{
@@ -917,6 +922,7 @@ func TestAddSecurityPolicyRawResults(t *testing.T) {
 }
 
 func TestAddVulnerabilitiesRawResults(t *testing.T) {
+	t.Parallel()
 	r := &jsonScorecardRawResult{}
 	vd := &checker.VulnerabilitiesData{
 		Vulnerabilities: []clients.Vulnerability{
@@ -955,6 +961,7 @@ func TestAddVulnerabilitiesRawResults(t *testing.T) {
 }
 
 func TestAddFuzzingRawResults(t *testing.T) {
+	t.Parallel()
 	r := &jsonScorecardRawResult{}
 	fd := &checker.FuzzingData{
 		Fuzzers: []checker.Tool{
@@ -1040,6 +1047,7 @@ func TestAddFuzzingRawResults(t *testing.T) {
 }
 
 func TestJsonScorecardRawResult(t *testing.T) {
+	t.Parallel()
 	// create a new instance of jsonScorecardRawResult
 	r := &jsonScorecardRawResult{}
 
@@ -1225,6 +1233,7 @@ func intPtr(i int32) *int32 {
 }
 
 func TestScorecardResult_AsRawJSON(t *testing.T) {
+	t.Parallel()
 	type fields struct {
 		Repo       RepoInfo
 		Date       time.Time
@@ -1254,6 +1263,7 @@ func TestScorecardResult_AsRawJSON(t *testing.T) {
 	for _, tt := range tests {
 		tt := tt // capture range variable
 		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
 			r := &ScorecardResult{
 				Repo:       tt.fields.Repo,
 				Date:       tt.fields.Date,
@@ -1343,6 +1353,7 @@ func TestAddBranchProtectionRawResults(t *testing.T) {
 }
 
 func TestFillJSONRawResults(t *testing.T) {
+	t.Parallel()
 	raw := checker.RawResults{
 		LicenseResults: checker.LicenseData{
 			LicenseFiles: []checker.LicenseFile{
diff --git a/pkg/pkg_suite_test.go b/pkg/pkg_suite_test.go
index c89786b1..1e143d76 100644
--- a/pkg/pkg_suite_test.go
+++ b/pkg/pkg_suite_test.go
@@ -22,6 +22,7 @@ import (
 	. "github.com/onsi/gomega"
 )
 
+//nolint:paralleltest // avoiding parallel e2e tests due to rate limit concerns (#2527)
 func TestPkg(t *testing.T) {
 	if val, exists := os.LookupEnv("SKIP_GINKGO"); exists && val == "1" {
 		t.Skip()
diff --git a/policy/policy_test.go b/policy/policy_test.go
index 5fec445f..7c77f230 100644
--- a/policy/policy_test.go
+++ b/policy/policy_test.go
@@ -137,6 +137,7 @@ func TestPolicyRead(t *testing.T) {
 }
 
 func TestChecksHavePolicies(t *testing.T) {
+	t.Parallel()
 	// Create a sample ScorecardPolicy
 	sp := &ScorecardPolicy{
 		Version: 1,