diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1a829cf3..1ec4da8b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -24,6 +24,7 @@ jobs:
 
   build:
     runs-on: ${{ matrix.os }}
+    needs: [outputs]
     strategy:
       fail-fast: false
       matrix:
@@ -78,7 +79,9 @@ jobs:
         run: .github/ci.sh test_dist
 
       - if: >-
-          (startsWith(github.ref, 'refs/tags/v') || startsWith(github.ref, 'refs/heads/actions/'))
+          (startsWith(github.ref, 'refs/tags/v')
+            || (github.event_name == 'pull_request'
+                && startsWith(github.ref, 'refs/heads/actions/')))
           && matrix.ghc == '8.10.1'
         uses: actions/upload-artifact@v2
         with:
@@ -89,7 +92,9 @@ jobs:
     runs-on: ubuntu-latest
     needs: [outputs]
     if: >-
-      (startsWith(github.ref, 'refs/tags/v') || startsWith(github.ref, 'refs/heads/actions/'))
+      (startsWith(github.ref, 'refs/tags/v')
+        || (github.event_name == 'pull_request'
+            && startsWith(github.ref, 'refs/heads/actions/')))
       || contains(needs.outputs.outputs.changed, 'docs/')
     steps:
       - uses: actions/checkout@v2
@@ -110,7 +115,10 @@ jobs:
 
   bundle:
     runs-on: ${{ matrix.os }}
-    if: "startsWith(github.ref, 'refs/tags/v') || startsWith(github.ref, 'refs/heads/actions/')"
+    if: >-
+      startsWith(github.ref, 'refs/tags/v')
+        || (github.event_name == 'pull_request'
+            && startsWith(github.ref, 'refs/heads/actions/'))
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
@@ -160,16 +168,19 @@ jobs:
           path: "cryptol.msi*"
 
   release:
-    if: "startsWith(github.ref, 'refs/tags/v') || startsWith(github.ref, 'refs/heads/actions/')"
-    outputs:
-      upload_url: ${{ steps.release.outputs.upload_url }}
+    if: >-
+      startsWith(github.ref, 'refs/tags/v')
+        || (github.event_name == 'pull_request'
+            && startsWith(github.ref, 'refs/heads/actions/'))
     runs-on: ubuntu-latest
     steps:
-      - id: release
-        uses: release-drafter/release-drafter@v5
+      - uses: release-drafter/release-drafter@v5
 
   upload-artifacts-to-release:
-    if: "startsWith(github.ref, 'refs/tags/v') || startsWith(github.ref, 'refs/heads/actions/')"
+    if: >-
+      startsWith(github.ref, 'refs/tags/v')
+        || (github.event_name == 'pull_request'
+            && startsWith(github.ref, 'refs/heads/actions/'))
     needs: [outputs, bundle, release]
     runs-on: ubuntu-latest
     steps: