diff --git a/.github/workflows/auto-progress-update.yml b/.github/workflows/auto-progress-update.yml
index d704760a..72a13c39 100644
--- a/.github/workflows/auto-progress-update.yml
+++ b/.github/workflows/auto-progress-update.yml
@@ -30,7 +30,7 @@ jobs:
 
       - name: Extract progress updates from PR body
         id: extract
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             // core is already available globally in github-script@v7
diff --git a/.github/workflows/changelog-daily-rollup.yml b/.github/workflows/changelog-daily-rollup.yml
index dcfe5257..7fc501d3 100644
--- a/.github/workflows/changelog-daily-rollup.yml
+++ b/.github/workflows/changelog-daily-rollup.yml
@@ -231,7 +231,7 @@ jobs:
 
       - name: Create GitHub issue for high conflict days
         if: steps.conflicts.outputs.count > 2
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const date = '${{ steps.date.outputs.date }}';
diff --git a/.github/workflows/conflict-check.yml b/.github/workflows/conflict-check.yml
index 1000a1af..a9fd5601 100644
--- a/.github/workflows/conflict-check.yml
+++ b/.github/workflows/conflict-check.yml
@@ -104,7 +104,7 @@ jobs:
         if: |
           github.event_name == 'pull_request' &&
           steps.conflict_check.outputs.has_conflicts == 'true'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             // Add conflict label
@@ -119,7 +119,7 @@ jobs:
         if: |
           github.event_name == 'pull_request' &&
           steps.conflict_check.outputs.has_conflicts == 'false'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             // Remove conflict label if present
@@ -140,7 +140,7 @@ jobs:
           github.event_name == 'pull_request' &&
           (steps.conflict_check.outputs.has_conflicts == 'true' ||
            steps.overlap_check.outputs.has_overlaps == 'true')
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const hasConflicts = '${{ steps.conflict_check.outputs.has_conflicts }}' === 'true';
diff --git a/.github/workflows/pr-proof-check.yml b/.github/workflows/pr-proof-check.yml
index ad8f6adc..c66a62db 100644
--- a/.github/workflows/pr-proof-check.yml
+++ b/.github/workflows/pr-proof-check.yml
@@ -15,7 +15,7 @@ jobs:
     steps:
       - name: Check PR body for proof lines
         id: check
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const body = (context.payload.pull_request.body || "");
@@ -26,7 +26,7 @@ jobs:
       # Comment & label if lines are missing
       - name: Comment & label if missing
         if: steps.check.outputs.missing != '[]'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         env:
           MISSING: ${{ steps.check.outputs.missing }}
         with: