diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0a9e6498..a12df4b0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,7 +19,7 @@ jobs:
         id: tags
         run: |
           function isSemver() {
-            echo "${1}" | grep -Eq '^refs/tags/v?([0-9]+)\.([0-9+])\.([0-9]+)(-[a-zA-Z]+(\.[0-9]+)?)?$'
+            echo "${1}" | grep -Eq '^refs/tags/v?([0-9]+)\.([0-9]+)\.([0-9]+)(-[a-zA-Z]+(\.[0-9]+)?)?$'
           }
 
           echo $GITHUB_REF