diff --git a/.github/workflows/GnuTests.yml b/.github/workflows/GnuTests.yml
index 46077e624..d7e6c136d 100644
--- a/.github/workflows/GnuTests.yml
+++ b/.github/workflows/GnuTests.yml
@@ -4,7 +4,7 @@ name: GnuTests
 
 # * note: to run a single test => `REPO/util/run-gnu-test.sh PATH/TO/TEST/SCRIPT`
 
-on: [push, pull_request]
+on: [push, pull_request_target]
 
 permissions:
   contents: read