diff --git a/.github/workflows/bazel.yml b/.github/workflows/bazel.yml
index 8a77cd5f..030eaaea 100644
--- a/.github/workflows/bazel.yml
+++ b/.github/workflows/bazel.yml
@@ -1,6 +1,6 @@
 name: Bazel build
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
   build:
diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index f5a52b4d..22599941 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -1,6 +1,6 @@
 name: CMake build
 
-on: [push]
+on: [push, pull_request]
 
 env:
   BUILD_TYPE: Release