diff --git a/go.mod b/go.mod
index 03410ba..f4901cb 100644
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,6 @@ require (
 	github.com/gin-gonic/gin v1.8.1
 	github.com/imdario/mergo v0.3.13
 	github.com/joho/godotenv v1.4.0
-	github.com/pkg/errors v0.9.1
 	github.com/rivo/tview v0.0.0-20221128165837-db36428c92d9
 	github.com/spf13/cobra v1.6.1
 	github.com/swaggo/swag v1.8.8
diff --git a/go.sum b/go.sum
index ddab471..75a889d 100644
--- a/go.sum
+++ b/go.sum
@@ -144,7 +144,6 @@ github.com/pelletier/go-toml/v2 v2.0.1/go.mod h1:r9LEWfGN8R5k0VXJ+0BkIe7MYkRdwZO
 github.com/pelletier/go-toml/v2 v2.0.6 h1:nrzqCb7j9cDFj2coyLNLaZuJTLjWjlaz6nvTvIwycIU=
 github.com/pelletier/go-toml/v2 v2.0.6/go.mod h1:eumQOmlWiOPt5WriQQqoM5y18pDHwha2N+QD+EUNTek=
 github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
diff --git a/src/loader/merger.go b/src/loader/merger.go
index 76945ce..d114cbd 100644
--- a/src/loader/merger.go
+++ b/src/loader/merger.go
@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"github.com/f1bonacc1/process-compose/src/types"
 	"github.com/imdario/mergo"
-	"github.com/pkg/errors"
 	"reflect"
 	"sort"
 	"strings"
@@ -57,7 +56,7 @@ func mergeSlice(toMap toMapFn, writeValue writeValueFromMapFn) func(dst, src ref
 func sliceToMap(toMap toMapFn, v reflect.Value) (map[interface{}]interface{}, error) {
 	// check if valid
 	if !v.IsValid() {
-		return nil, errors.Errorf("invalid value : %+v", v)
+		return nil, fmt.Errorf("invalid value : %+v", v)
 	}
 	return toMap(v.Interface())
 }
@@ -65,7 +64,7 @@ func sliceToMap(toMap toMapFn, v reflect.Value) (map[interface{}]interface{}, er
 func toEnvVarMap(s interface{}) (map[interface{}]interface{}, error) {
 	envVars, ok := s.(types.Environment)
 	if !ok {
-		return nil, errors.Errorf("not an Environment slice: %v", s)
+		return nil, fmt.Errorf("not an Environment slice: %v", s)
 	}
 	m := map[interface{}]interface{}{}
 	for _, v := range envVars {
@@ -104,10 +103,10 @@ func merge(opts *LoaderOptions) (*types.Project, error) {
 }
 func specialProcessesMerge(dst, src reflect.Value) error {
 	if !dst.IsValid() {
-		return errors.Errorf("invalid value: %+v", dst)
+		return fmt.Errorf("invalid value: %+v", dst)
 	}
 	if !src.IsValid() {
-		return errors.Errorf("invalid value: %+v", src)
+		return fmt.Errorf("invalid value: %+v", src)
 	}
 	var (
 		dstProc types.Processes
@@ -115,10 +114,10 @@ func specialProcessesMerge(dst, src reflect.Value) error {
 		ok      bool
 	)
 	if dstProc, ok = dst.Interface().(types.Processes); !ok {
-		return errors.Errorf("invalid type: %+v", dst)
+		return fmt.Errorf("invalid type: %+v", dst)
 	}
 	if srcProc, ok = src.Interface().(types.Processes); !ok {
-		return errors.Errorf("invalid type: %+v", src)
+		return fmt.Errorf("invalid type: %+v", src)
 	}
 	merged, err := mergeProcesses(dstProc, srcProc)
 	dst.Set(reflect.ValueOf(merged))