diff --git a/.circleci/config.yml b/.circleci/config.yml
index c79580f81c4a4f979b352b144f1f4a5b2f0680c6..0078317c9cbcfffcd55e5b8b58c172dbdabe6f9d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -66,6 +66,8 @@ workflows:
     - prometheus/build:
         name: build
         filters:
+          branches:
+            only: master
           tags:
             only: /.*/
     - publish_master: