diff --git a/.circleci/config.yml b/.circleci/config.yml
index c6f0ad6..dc905e2 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -19,7 +19,7 @@ workflows:
             - build
           filters:
             tags:
-              only: /[0-9]+(\.[0-9]+)*[ab]?/
+              only: /[0-9]+(\.[0-9]+)*[ab][0-9]*?/
             branches:
               ignore: /.*/
 jobs: