diff --git a/.circleci/config.yml b/.circleci/config.yml
index c264f627..46565250 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -219,7 +219,7 @@ workflows:
 
          tags:
 
-           only: /^[0-9]+\.[0-9]+\.[0-9](\.RC\d*)?$/
+           only: "/^[0-9]+\.[0-9]+\.[0-9](\.RC\d*)?$/"
 
          branches: