diff --git a/.github/workflows/deploy_release.yml b/.github/workflows/deploy_release.yml
index 2d235cd1..8a2431fb 100644
--- a/.github/workflows/deploy_release.yml
+++ b/.github/workflows/deploy_release.yml
@@ -113,7 +113,7 @@ jobs:
         retention-days: 1
         
   build-ubuntu:
-    runs-on: [ubuntu-18.04]
+    runs-on: [ubuntu-20.04]
     env:
       CC: gcc-10
       CXX: g++-10