diff --git a/.github/workflows/ci_manager.yml b/.github/workflows/ci_manager.yml
index bc94d9812ee..04344381bd0 100644
--- a/.github/workflows/ci_manager.yml
+++ b/.github/workflows/ci_manager.yml
@@ -1,5 +1,5 @@
 on:
-  pull_request:
+#  pull_request:
 
 name: CI manager
 
diff --git a/.github/workflows/test_alpha_many_os.yml b/.github/workflows/test_alpha_many_os.yml
index 3eeda137ad6..4b921226579 100644
--- a/.github/workflows/test_alpha_many_os.yml
+++ b/.github/workflows/test_alpha_many_os.yml
@@ -1,5 +1,5 @@
 on:
-#  pull_request:
+  pull_request:
 #  workflow_dispatch:
 
 name: Test latest alpha releases for macOS and Linux
diff --git a/.github/workflows/test_nightly_many_os.yml b/.github/workflows/test_nightly_many_os.yml
index 93943474489..8ed47cb432f 100644
--- a/.github/workflows/test_nightly_many_os.yml
+++ b/.github/workflows/test_nightly_many_os.yml
@@ -1,5 +1,5 @@
 on:
-#  pull_request:
+  pull_request:
 #  workflow_dispatch:
 
 name: Test latest nightly releases for macOS and Linux