diff --git a/.github/workflows/helm-release.yaml b/.github/workflows/helm-release.yaml
index 7a0561f5..0be483a6 100644
--- a/.github/workflows/helm-release.yaml
+++ b/.github/workflows/helm-release.yaml
@@ -21,7 +21,7 @@ jobs:
           # Enable pipefail so git command failures do not result in null versions downstream
           set -x
 
-          echo "RELEASE_VERSION=$(date +'%Y.%-m.%-d-%H%M%S')" >> $GITHUB_OUTPUT
+          echo "RELEASE_VERSION=$(date +'%Y.%-m.%-d%H%M%S')" >> $GITHUB_OUTPUT
           echo "PREFECT_VERSION=$(\
             git ls-remote --tags --refs --sort="v:refname" \
             https://github.com/PrefectHQ/prefect.git '*.*.*' | tail -n1 | sed 's/.*\///' \