diff --git a/.github/workflows/msys2.yml b/.github/workflows/msys2.yml
index 715b5bfd6..cbab904c4 100644
--- a/.github/workflows/msys2.yml
+++ b/.github/workflows/msys2.yml
@@ -6,11 +6,13 @@ on:
       - "mesonbuild/**"
       - "test cases/**"
       - ".github/workflows/msys2.yml"
+      - "run_unittests.py"
   pull_request:
     paths:
       - "mesonbuild/**"
       - "test cases/**"
       - ".github/workflows/msys2.yml"
+      - "run_unittests.py"
 
 jobs:
   test: