diff --git a/.github/workflows/post-merge-deploy-to-build.yml b/.github/workflows/post-merge-deploy-to-build.yml
index 071bc596c..a6dc94c56 100644
--- a/.github/workflows/post-merge-deploy-to-build.yml
+++ b/.github/workflows/post-merge-deploy-to-build.yml
@@ -34,7 +34,7 @@ jobs:
           sam build -t infrastructure/template.yaml -b out/
 
       - name: Deploy SAM app
-        uses: govuk-one-login/devplatform-upload-action@v3.9.2
+        uses: govuk-one-login/devplatform-upload-action@v3.9.4
         with:
           artifact-bucket-name: ${{ secrets.BUILD_ARTIFACT_SOURCE_BUCKET_NAME }}
           signing-profile-name: ${{ secrets.BUILD_SIGNING_PROFILE_NAME }}
diff --git a/.github/workflows/post-merge-deploy-to-dev.yml b/.github/workflows/post-merge-deploy-to-dev.yml
index 600ceeed5..63aaead56 100644
--- a/.github/workflows/post-merge-deploy-to-dev.yml
+++ b/.github/workflows/post-merge-deploy-to-dev.yml
@@ -34,7 +34,7 @@ jobs:
           sam build -t infrastructure/template.yaml -b out/
 
       - name: Deploy SAM app
-        uses: govuk-one-login/devplatform-upload-action@v3.9.2
+        uses: govuk-one-login/devplatform-upload-action@v3.9.4
         with:
           artifact-bucket-name: ${{ secrets.DEV_ARTIFACT_SOURCE_BUCKET_NAME }}
           signing-profile-name: ${{ secrets.DEV_SIGNING_PROFILE_NAME }}