diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2162d399..28c82c41 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ env:
 
 jobs:
   cross-build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
         arch: