diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index f4d0bd9d..bf27f124 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -5,7 +5,7 @@ on:
     - cron: '0 0 */7 * *'
 jobs:
   security_audit:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
       - uses: actions-rs/audit-check@v1