diff --git a/.github/workflows/build-linux.yml b/.github/workflows/build-linux.yml
index 62b023e..95a287b 100644
--- a/.github/workflows/build-linux.yml
+++ b/.github/workflows/build-linux.yml
@@ -11,7 +11,7 @@ permissions:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     steps:
     - uses: actions/checkout@v3
     - name: Cache LLVM and Clang