diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d7eea1e..5f89af9 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -359,6 +359,7 @@ jobs:
 
   manylinux:
     runs-on: ubuntu-20.04
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
     # We use a regular Python matrix entry to share as much code as possible.
     strategy:
       matrix:
diff --git a/.meta.toml b/.meta.toml
index c1878bc..e44183e 100644
--- a/.meta.toml
+++ b/.meta.toml
@@ -2,7 +2,7 @@
 # https://github.com/zopefoundation/meta/tree/master/config/c-code
 [meta]
 template = "c-code"
-commit-id = "8098b69c4f646a6a94ba55d18a9655bd9667ae77"
+commit-id = "f08caa9441a6fff72a1b75b4e22c84c33d9db583"
 
 [python]
 with-appveyor = true