diff --git a/.github/workflows/android_ci.yml b/.github/workflows/android_ci.yml
--- a/.github/workflows/android_ci.yml
+++ b/.github/workflows/android_ci.yml
@@ -8,6 +8,8 @@
       - 'web/**'
       - 'docs/**'
       - 'keyserver/**'
+  pull_request:
+    types: [opened, reopened]
 
 jobs:
   build:
diff --git a/.github/workflows/backup_build.yml b/.github/workflows/backup_build.yml
--- a/.github/workflows/backup_build.yml
+++ b/.github/workflows/backup_build.yml
@@ -8,6 +8,8 @@
       - 'web/**'
       - 'docs/**'
       - 'keyserver/**'
+  pull_request:
+    types: [opened, reopened]
 
 jobs:
   build:
diff --git a/.github/workflows/blob_build.yml b/.github/workflows/blob_build.yml
--- a/.github/workflows/blob_build.yml
+++ b/.github/workflows/blob_build.yml
@@ -8,6 +8,8 @@
       - 'web/**'
       - 'docs/**'
       - 'keyserver/**'
+  pull_request:
+    types: [opened, reopened]
 
 jobs:
   build:
diff --git a/.github/workflows/docker_keyserver.yml b/.github/workflows/docker_keyserver.yml
--- a/.github/workflows/docker_keyserver.yml
+++ b/.github/workflows/docker_keyserver.yml
@@ -7,6 +7,8 @@
       - 'native/**'
       - 'docs/**'
       - 'services/**'
+  pull_request:
+    types: [opened, reopened]
 
 jobs:
   build:
diff --git a/.github/workflows/eslint_flow_jest.yml b/.github/workflows/eslint_flow_jest.yml
--- a/.github/workflows/eslint_flow_jest.yml
+++ b/.github/workflows/eslint_flow_jest.yml
@@ -3,6 +3,8 @@
 on:
   push:
     branches: [master]
+  pull_request:
+    types: [opened, reopened]
 
 jobs:
   build:
diff --git a/.github/workflows/identity_build.yaml b/.github/workflows/identity_build.yaml
--- a/.github/workflows/identity_build.yaml
+++ b/.github/workflows/identity_build.yaml
@@ -8,6 +8,8 @@
       - 'web/**'
       - 'docs/**'
       - 'keyserver/**'
+  pull_request:
+    types: [opened, reopened]
 
 jobs:
   build:
diff --git a/.github/workflows/ios_ci.yml b/.github/workflows/ios_ci.yml
--- a/.github/workflows/ios_ci.yml
+++ b/.github/workflows/ios_ci.yml
@@ -8,6 +8,8 @@
       - 'web/**'
       - 'docs/**'
       - 'keyserver/**'
+  pull_request:
+    types: [opened, reopened]
 
 jobs:
   build:
diff --git a/.github/workflows/ios_xctest.yml b/.github/workflows/ios_xctest.yml
--- a/.github/workflows/ios_xctest.yml
+++ b/.github/workflows/ios_xctest.yml
@@ -8,6 +8,8 @@
       - 'web/**'
       - 'docs/**'
       - 'keyserver/**'
+  pull_request:
+    types: [opened, reopened]
 
 jobs:
   build:
diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
--- a/.github/workflows/shellcheck.yml
+++ b/.github/workflows/shellcheck.yml
@@ -3,6 +3,8 @@
 on:
   push:
     branches: [master]
+  pull_request:
+    types: [opened, reopened]
 
 jobs:
   shellcheck:
diff --git a/.github/workflows/tunnelbroker_build.yaml b/.github/workflows/tunnelbroker_build.yaml
--- a/.github/workflows/tunnelbroker_build.yaml
+++ b/.github/workflows/tunnelbroker_build.yaml
@@ -8,6 +8,8 @@
       - 'web/**'
       - 'docs/**'
       - 'keyserver/**'
+  pull_request:
+    types: [opened, reopened]
 
 jobs:
   build: