diff --git a/.github/workflows/build-docker-image.yml b/.github/workflows/build-docker-image.yml
index a197e91c..baa80e32 100644
--- a/.github/workflows/build-docker-image.yml
+++ b/.github/workflows/build-docker-image.yml
@@ -129,7 +129,7 @@ jobs:
       # Build and push image to Google Artifact Registry, and possibly DockerHub
       - name: Build & push
         id: docker_build
-        uses: docker/build-push-action@v3.3.0
+        uses: docker/build-push-action@v4.0.0
         with:
           target: ${{ inputs.dockerfile_target }}
           context: .
diff --git a/.github/workflows/zcash-lightwalletd.yml b/.github/workflows/zcash-lightwalletd.yml
index 17670adf..a9812a7f 100644
--- a/.github/workflows/zcash-lightwalletd.yml
+++ b/.github/workflows/zcash-lightwalletd.yml
@@ -132,7 +132,7 @@ jobs:
       # Build and push image to Google Artifact Registry
       - name: Build & push
         id: docker_build
-        uses: docker/build-push-action@v3.3.0
+        uses: docker/build-push-action@v4.0.0
         with:
           target: build
           context: .