diff --git a/.github/workflows/1-unit.yaml b/.github/workflows/1-unit.yaml
index c940612504e..c52bfd43a4b 100644
--- a/.github/workflows/1-unit.yaml
+++ b/.github/workflows/1-unit.yaml
@@ -18,10 +18,13 @@
 name: Unit Tests
 
 on:
-  # build on push
   push:
-  # build on pull requests
+    branches: [ master ]
   pull_request:
+    branches: [ master ]
+    types: [ opened, synchronize, reopened ]
+  schedule:
+    - cron: '30 1 * * 1,3,5'
 
 env:
   # openwhisk env
diff --git a/.github/workflows/2-system.yaml b/.github/workflows/2-system.yaml
index 79c5ea6ebf1..5e8b2f8baed 100644
--- a/.github/workflows/2-system.yaml
+++ b/.github/workflows/2-system.yaml
@@ -18,10 +18,13 @@
 name: System Tests
 
 on:
-  # build on push
   push:
-  # build on pull requests
+    branches: [ master ]
   pull_request:
+    branches: [ master ]
+    types: [ opened, synchronize, reopened ]
+  schedule:
+    - cron: '30 2 * * 1,3,5'
 
 env:
   # openwhisk env
diff --git a/.github/workflows/3-multi-runtime.yaml b/.github/workflows/3-multi-runtime.yaml
index e74bba246bb..c25c45584a7 100644
--- a/.github/workflows/3-multi-runtime.yaml
+++ b/.github/workflows/3-multi-runtime.yaml
@@ -18,10 +18,13 @@
 name: MultiRuntime Tests
 
 on:
-  # build on push
   push:
-  # build on pull requests
+    branches: [ master ]
   pull_request:
+    branches: [ master ]
+    types: [ opened, synchronize, reopened ]
+  schedule:
+    - cron: '30 3 * * 1,3,5'
 
 env:
   # openwhisk env
diff --git a/.github/workflows/4-standalone.yaml b/.github/workflows/4-standalone.yaml
index 15a1c8ff3db..022763a300e 100644
--- a/.github/workflows/4-standalone.yaml
+++ b/.github/workflows/4-standalone.yaml
@@ -18,10 +18,13 @@
 name: Standalone Tests
 
 on:
-  # build on push
   push:
-  # build on pull requests
+    branches: [ master ]
   pull_request:
+    branches: [ master ]
+    types: [ opened, synchronize, reopened ]
+  schedule:
+    - cron: '30 4 * * 1,3,5'
 
 env:
   # openwhisk env
diff --git a/.github/workflows/5-scheduler.yaml b/.github/workflows/5-scheduler.yaml
index 02b526d5516..78742c0e3eb 100644
--- a/.github/workflows/5-scheduler.yaml
+++ b/.github/workflows/5-scheduler.yaml
@@ -18,10 +18,13 @@
 name: Scheduler Tests
 
 on:
-  # build on push
   push:
-  # build on pull requests
+    branches: [ master ]
   pull_request:
+    branches: [ master ]
+    types: [ opened, synchronize, reopened ]
+  schedule:
+    - cron: '30 5 * * 1,3,5'
 
 env:
   # openwhisk env
diff --git a/.github/workflows/6-performance.yaml b/.github/workflows/6-performance.yaml
index 55e811b1dda..ff3c81867a8 100644
--- a/.github/workflows/6-performance.yaml
+++ b/.github/workflows/6-performance.yaml
@@ -18,10 +18,13 @@
 name: Performance Tests
 
 on:
-  # build on push
   push:
-  # build on pull requests
+    branches: [ master ]
   pull_request:
+    branches: [ master ]
+    types: [ opened, synchronize, reopened ]
+  schedule:
+    - cron: '30 6 * * 1,3,5'
 
 env:
   # openwhisk env