diff --git a/.github/workflows/main_deploy.yaml b/.github/workflows/main_deploy.yaml
index af50f0c19..1e59e2d19 100644
--- a/.github/workflows/main_deploy.yaml
+++ b/.github/workflows/main_deploy.yaml
@@ -5,6 +5,10 @@ on:
     branches:
       - main
 
+concurrency:
+  group: main_deploy
+  cancel-in-progress: true
+
 env:
   FLUTTER_VERSION: ${{ secrets.FLUTTER_VERSION }}
   JAVA_VERSION: ${{ secrets.JAVA_VERSION }}
diff --git a/.github/workflows/pull_request.yaml b/.github/workflows/pull_request.yaml
index 750ac37c7..a7e33e905 100644
--- a/.github/workflows/pull_request.yaml
+++ b/.github/workflows/pull_request.yaml
@@ -1,6 +1,6 @@
 name: Pull Request Workflow
 
-on: [push, pull_request]
+on: [pull_request]
 
 env:
   FLUTTER_VERSION: ${{ secrets.FLUTTER_VERSION }}