diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4729864..f70d4ab 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,8 +24,8 @@ on:
 
 jobs:
   ubuntu-latest:
-    name: ubuntu-latest
-    runs-on: ubuntu-latest
+    name: ubuntu-20.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
       - name: Run './build.cmd Ci'