diff --git a/.github/workflows/website.yaml b/.github/workflows/website.yaml
index 19a1706c..6d247186 100644
--- a/.github/workflows/website.yaml
+++ b/.github/workflows/website.yaml
@@ -28,7 +28,7 @@ jobs:
             
           echo "kimai_version=$version" >> $GITHUB_ENV
 
-          if [[ ! $version =~ ^2\.(0|[1-9]*)\.(0|[1-9]*)$ ]]; then
+          if [[ ! $version =~ ^2\.(0|[1-9]*)(0?)\.(0|[0-9]*)(0?)$ ]]; then
             echo "Invalid version number: $version"
             exit 1
           fi