diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 67047d6cd..00835d240 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -1,7 +1,7 @@
 name: documentation
 
 # always run documentation workflow to ensure the documentation can still be built
-on: push
+on: [push, pull_request]
 
 # possibly add a publish job for automatic read-the-docs publishing
 jobs:
diff --git a/.github/workflows/frontend.yml b/.github/workflows/frontend.yml
index 66a9a9b0c..4cb36d3a4 100644
--- a/.github/workflows/frontend.yml
+++ b/.github/workflows/frontend.yml
@@ -1,7 +1,7 @@
 name: frontend
 
 # always run frontend workflow to see if it builds and tests run fine
-on: push
+on: [push, pull_request]
 
 jobs:
   frontend:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ec601d57e..9766c4b5b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,7 +1,7 @@
 name: backend-tests
 
 # always run tests workflow
-on: push
+on: [push, pull_request]
 
 jobs:
   tests: