diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 10365e3de..a68cc5e25 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
       matrix:
         os:
           - macos-latest
-          - ubuntu-latest
+          - ubuntu-20.04
           - windows-latest
         host:
           - x64