diff --git a/.github/workflows/nightly.yaml b/.github/workflows/nightly.yaml
index 696da98..a08a3cc 100644
--- a/.github/workflows/nightly.yaml
+++ b/.github/workflows/nightly.yaml
@@ -20,7 +20,7 @@ jobs:
       - name: Build Docker image
         run: |
           docker build \
-            -f docker/Dockerfile
+            -f docker/Dockerfile \
             -t "ghcr.io/${GITHUB_REPOSITORY}:${GITHUB_SHA:0:7}" \
             -t "ghcr.io/${GITHUB_REPOSITORY}:nightly" .
 
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 6657996..205e836 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -31,7 +31,7 @@ jobs:
         if: ${{ steps.release.outputs.release_created }}
         run: |
           docker build \
-          -f docker/Dockerfile
+          -f docker/Dockerfile \
           -t "ghcr.io/${GITHUB_REPOSITORY}:${{ steps.release.outputs.tag_name }}" \
           -t "ghcr.io/${GITHUB_REPOSITORY}:latest" .