diff --git a/.github/workflows/dockerpublish.yml b/.github/workflows/dockerpublish.yml
index ea0f2c3..08a6c03 100644
--- a/.github/workflows/dockerpublish.yml
+++ b/.github/workflows/dockerpublish.yml
@@ -8,7 +8,7 @@ on:
 
     # Publish `2.1.2.3` tags as releases.
     tags:
-      - "/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}"
+      - "[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}"
   # pull_request:
   #  branches:
   #    - "main"