diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5de8a5e..c9fa3c6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ on:
 
 jobs:
   Testing:
-    runs-on: [ubuntu-latest]
+    runs-on: [ubuntu-18.04]
 
     steps:
       - uses: actions/checkout@v1