diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index 7e2896c5..b31fbe8b 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -443,7 +443,7 @@ jobs:
         images: harbor.stfc.ac.uk/datagateway/datagateway-api
 
     - name: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' && 'Build and push Docker image to Harbor' || 'Build Docker image' }}
-      uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671 # v4.0.0
+      uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75 # v6.9.0
       with:
         context: .
         push: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}