diff --git a/.github/workflows/reusable-workflow-for-ci.yml b/.github/workflows/reusable-workflow-for-ci.yml
index a27297c..3080aac 100644
--- a/.github/workflows/reusable-workflow-for-ci.yml
+++ b/.github/workflows/reusable-workflow-for-ci.yml
@@ -1,6 +1,9 @@
 name: CI Workflow
 description: A reusable workflow for continuous integration tasks
 on: workflow_call
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
 jobs:
   CI:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/workflow-ci.yml b/.github/workflows/workflow-ci.yml
index cc0dc0d..84675ea 100644
--- a/.github/workflows/workflow-ci.yml
+++ b/.github/workflows/workflow-ci.yml
@@ -1,8 +1,8 @@
 name: Workflow CI
-description: A workflow that calls reusable and composite workflows.
+description: A workflow that calls reusable and composite workflows
 permissions:
   contents: read
-on: [push]
+on: [pull_request]
 jobs:
   call-reusable-workflow:
     uses: ./.github/workflows/reusable-workflow-for-ci.yml