diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9580fcd3..7ef30a5e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -72,7 +72,7 @@ jobs:
     - uses: actions/checkout@v2
     - name: install
       run: |
-        sudo apt install llvm
+        sudo apt install llvm clang-14
     - name: make coverage
       run: |
         CXX=clang++-14 make -j2 config=coverage coverage