diff --git a/.github/workflows/check_build.yaml b/.github/workflows/check_build.yaml
index 6ac9e62..c96c1a1 100644
--- a/.github/workflows/check_build.yaml
+++ b/.github/workflows/check_build.yaml
@@ -4,6 +4,7 @@ on:
   push:
     paths:
         - src/**
+        - util/**
         - main.c
         - Makefile
         - CMakeLists.txt