diff --git a/.github/workflows/postgresql-12-build.yml b/.github/workflows/postgresql-12-build.yml
index 1cd2d63..4d73563 100644
--- a/.github/workflows/postgresql-12-build.yml
+++ b/.github/workflows/postgresql-12-build.yml
@@ -1,5 +1,7 @@
 name: postgresql-12-build
-on: [push]
+on:
+  push:
+  pull_request:
 
 jobs:
   build:
diff --git a/.github/workflows/postgresql-13-build.yml b/.github/workflows/postgresql-13-build.yml
index 9d9a723..ef69e7a 100644
--- a/.github/workflows/postgresql-13-build.yml
+++ b/.github/workflows/postgresql-13-build.yml
@@ -1,5 +1,7 @@
 name: postgresql-13-build
-on: [push]
+on:
+  push:
+  pull_request:
 
 jobs:
   build:
diff --git a/.github/workflows/postgresql-14-build.yml b/.github/workflows/postgresql-14-build.yml
index 792ee81..565e427 100644
--- a/.github/workflows/postgresql-14-build.yml
+++ b/.github/workflows/postgresql-14-build.yml
@@ -1,5 +1,7 @@
 name: postgresql-14-build
-on: [push]
+on:
+  push:
+  pull_request:
 
 jobs:
   build:
diff --git a/.github/workflows/postgresql-15-build.yml b/.github/workflows/postgresql-15-build.yml
index bcc9840..68aff3d 100644
--- a/.github/workflows/postgresql-15-build.yml
+++ b/.github/workflows/postgresql-15-build.yml
@@ -1,5 +1,7 @@
 name: postgresql-15-build
-on: [push]
+on:
+  push:
+  pull_request:
 
 jobs:
   build:
diff --git a/.github/workflows/postgresql-16-build.yml b/.github/workflows/postgresql-16-build.yml
index 5d91981..af20cec 100644
--- a/.github/workflows/postgresql-16-build.yml
+++ b/.github/workflows/postgresql-16-build.yml
@@ -1,5 +1,7 @@
 name: postgresql-16-build
-on: [push]
+on:
+  push:
+  pull_request:
 
 jobs:
   build:
diff --git a/.github/workflows/postgresql-17-build.yml b/.github/workflows/postgresql-17-build.yml
index a0fb01b..d25c07e 100644
--- a/.github/workflows/postgresql-17-build.yml
+++ b/.github/workflows/postgresql-17-build.yml
@@ -1,5 +1,7 @@
 name: postgresql-17-build
-on: [push]
+on:
+  push:
+  pull_request:
 
 jobs:
   build: