diff --git a/.github/workflows/c-cpp.yml b/.github/workflows/c-cpp.yml
index d81235a..181f58f 100644
--- a/.github/workflows/c-cpp.yml
+++ b/.github/workflows/c-cpp.yml
@@ -13,5 +13,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
+    - name: install valgrind
+      run: sudo apt install valgrind
     - name: make test
       run: make test