diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a9eb4a4d..720a25f9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -25,7 +25,7 @@ jobs:
   citest:
     name: CI test
     needs: selftest
-    runs-on: ubuntu-16.04
+    runs-on: ubuntu-20.04
 
     services:
       postgres: