diff --git a/.github/workflows/github-pages.yml b/.github/workflows/github-pages.yml
index 3117346..77091df 100644
--- a/.github/workflows/github-pages.yml
+++ b/.github/workflows/github-pages.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   deploy:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
       - run: sudo apt install linuxbrew-wrapper