diff --git a/.github/workflows/texlive_on_linux.yml b/.github/workflows/texlive_on_linux.yml
index 8aa7df721..ee65c2014 100644
--- a/.github/workflows/texlive_on_linux.yml
+++ b/.github/workflows/texlive_on_linux.yml
@@ -1,7 +1,7 @@
 name: TeX Live on Linux
 env:
   cache-version: v12
-on: push
+on: [push, pull_request]
 
 permissions:
   contents: read
diff --git a/.github/workflows/texlive_on_mac.yml b/.github/workflows/texlive_on_mac.yml
index c39d4ab55..ef27a1c9e 100644
--- a/.github/workflows/texlive_on_mac.yml
+++ b/.github/workflows/texlive_on_mac.yml
@@ -1,7 +1,7 @@
 name: TeX Live on macOS
 env:
   cache-version: v12
-on: push
+on: [push, pull_request]
 
 permissions:
   contents: read
diff --git a/.github/workflows/texlive_on_win.yml b/.github/workflows/texlive_on_win.yml
index 529f51c26..268206836 100644
--- a/.github/workflows/texlive_on_win.yml
+++ b/.github/workflows/texlive_on_win.yml
@@ -1,7 +1,7 @@
 name: TeX Live on Windows
 env:
   cache-version: v12
-on: push
+on: [push, pull_request]
 
 permissions:
   contents: read