diff --git a/.circleci/config.yml b/.circleci/config.yml
index 901a7bf..c5e070b 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -59,9 +59,44 @@ workflows:
   version: 2
   build_and_test:
     jobs:
-      - build_gcc_09
-      - build_gcc_10
-      - build_gcc_11
-      - build_gcc_12
-      - build_gcc_13
-      - build_gcc_latest
+      - build_gcc_09:
+          filters:
+            branches:
+              only:
+                - master
+                - release
+
+      - build_gcc_10:
+          filters:
+            branches:
+              only:
+                - master
+                - release
+
+      - build_gcc_11:
+          filters:
+            branches:
+              only:
+                - master
+                - release
+
+      - build_gcc_12:
+          filters:
+            branches:
+              only:
+                - master
+                - release
+
+      - build_gcc_13:
+          filters:
+            branches:
+              only:
+                - master
+                - release
+
+      - build_gcc_latest:
+          filters:
+            branches:
+              only:
+                - master
+                - release