diff --git a/.github/workflows/callee.yml b/.github/workflows/callee.yml
new file mode 100644
index 00000000000..ef1fdb96dcb
--- /dev/null
+++ b/.github/workflows/callee.yml
@@ -0,0 +1,11 @@
+name: callee
+on:
+  workflow_run:
+    workflows: [ "caller" ]
+    types: [ "completed" ]
+
+jobs:
+  echo:
+    runs-on: ubuntu-22.04
+    steps:
+      - run: echo called
\ No newline at end of file
diff --git a/.github/workflows/caller.yml b/.github/workflows/caller.yml
new file mode 100644
index 00000000000..2679f879457
--- /dev/null
+++ b/.github/workflows/caller.yml
@@ -0,0 +1,8 @@
+name: caller
+on: pull_request
+
+jobs:
+  echo:
+    runs-on: ubuntu-22.04
+    steps:
+      - run: echo calling
diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 7a44ec272e7..fed0f096070 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -1,10 +1,8 @@
 name: "checks"
 
 on:
-  push:
-    branches:
-      - main
-  pull_request:
+  workflow_call:
+    
 
 jobs:
   lint:
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 9e0588ae463..3e309e08da1 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -2,7 +2,7 @@ name: unit-tests
 on:
   workflow_run:
     workflows: [ "checks" ]
-    types: [ completed ]
+    types: [ "completed" ]
 
 env:
   GRADLE_OPTS: "-Xmx6g -Dorg.gradle.daemon=false"