diff --git a/.github/workflows/docker-publish-rootless.yaml b/.github/workflows/docker-publish-rootless.yaml
index f5322894..247243d8 100644
--- a/.github/workflows/docker-publish-rootless.yaml
+++ b/.github/workflows/docker-publish-rootless.yaml
@@ -89,7 +89,7 @@ jobs:
           build-args: |
             VERSION=${{ github.ref_name }}
             COMMIT=$(git rev-parse HEAD)
-            BUILD_TIME=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
+            BUILD_TIME=$(date -u +'%Y-%m-%dT%H:%M:%SZ')
 
       - name: Attest
         uses: actions/attest-build-provenance@v1
diff --git a/.github/workflows/docker-publish.yaml b/.github/workflows/docker-publish.yaml
index 9458d39c..ed507260 100644
--- a/.github/workflows/docker-publish.yaml
+++ b/.github/workflows/docker-publish.yaml
@@ -86,7 +86,7 @@ jobs:
           build-args: |
             VERSION=${{ github.ref_name }}
             COMMIT=$(git rev-parse HEAD)
-            BUILD_TIME=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
+            BUILD_TIME=$(date -u +'%Y-%m-%dT%H:%M:%SZ')
         
       - name: Attest
         uses: actions/attest-build-provenance@v1