diff --git a/.github/workflows/ci_env.yml b/.github/workflows/ci_env.yml
index 0e2944bd..9ea75245 100644
--- a/.github/workflows/ci_env.yml
+++ b/.github/workflows/ci_env.yml
@@ -1,6 +1,11 @@
 name: Lisflood OS Unit Tests
 
-on: [push]
+# Controls when the workflow will run
+on:
+  push:
+    branches: [ "master", "development" ]
+  pull_request:
+    branches: [ "master", "development" ]
 
 jobs:
   tests: