diff --git a/.github/workflows/check_gcc b/.github/workflows/check_gcc.yml
similarity index 97%
rename from .github/workflows/check_gcc
rename to .github/workflows/check_gcc.yml
index ecd6e6d..181613c 100644
--- a/.github/workflows/check_gcc
+++ b/.github/workflows/check_gcc.yml
@@ -1,4 +1,4 @@
-name: check
+name: check_gcc
 on: push
 
 jobs: