diff --git a/.github/workflows/gen.yml b/.github/workflows/gen.yml
index d9ce0b69..086e9ef5 100644
--- a/.github/workflows/gen.yml
+++ b/.github/workflows/gen.yml
@@ -12,7 +12,7 @@ on:
 
 jobs:
   codegen:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v4