diff --git a/.github/workflows/release-build.yml b/.github/workflows/release-build.yml
index 8cc87d77b..eb23fa8aa 100644
--- a/.github/workflows/release-build.yml
+++ b/.github/workflows/release-build.yml
@@ -46,6 +46,24 @@ jobs:
           fi
           echo "Main build succeeded, proceeding with release"
 
+      - name: Check main build status
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          WORKFLOW_ID=$(gh api repos/${{ github.repository }}/actions/workflows --jq '.workflows[] | select(.name=="Python Instrumentation Main Build") | .id')
+          LATEST_RUN=$(gh api repos/${{ github.repository }}/actions/workflows/$WORKFLOW_ID/runs --jq '[.workflow_runs[] | select(.head_branch=="${{ github.ref_name }}")] | sort_by(.created_at) | .[-1] | {conclusion, status}')
+          STATUS=$(echo "$LATEST_RUN" | jq -r '.status')
+          CONCLUSION=$(echo "$LATEST_RUN" | jq -r '.conclusion')
+          
+          if [ "$STATUS" = "in_progress" ] || [ "$STATUS" = "queued" ]; then
+            echo "Main build is still running (status: $STATUS). Cannot proceed with release."
+            exit 1
+          elif [ "$CONCLUSION" != "success" ]; then
+            echo "Latest main build on branch ${{ github.ref_name }} conclusion: $CONCLUSION"
+            exit 1
+          fi
+          echo "Main build succeeded, proceeding with release"
+
       - name: Build Wheel and Image Files
         uses: ./.github/actions/artifacts_build
         with: