diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 5f1b80c8c98..0304af6f0bf 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -61,7 +61,10 @@ env:
 jobs:
   build:
     name: Linux Build
-    runs-on: ubuntu-22.04
+    # Ubuntu 22.04 has glibc 2.34 so the binaries produced
+    # won't run on systems with older glibc e.g wpt.fyi
+    # runners which still use 20.04.
+    runs-on: ubuntu-${{ inputs.upload && '20.04' || '22.04' }}
     steps:
       - uses: actions/checkout@v3
         if: github.event_name != 'pull_request_target'