diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 226fdc9c..9c0057b7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -179,7 +179,7 @@ jobs:
 
   test-fips:
     name: Test FIPS integration
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v2
       with: