diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c61462c13..2122e992b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -2,6 +2,10 @@ name: CI
 
 on: [push]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 env:
   NODE_VERSION: 12.x
 
diff --git a/.github/workflows/release-insiders.yml b/.github/workflows/release-insiders.yml
index e6891facb..85ea848db 100644
--- a/.github/workflows/release-insiders.yml
+++ b/.github/workflows/release-insiders.yml
@@ -4,6 +4,10 @@ on:
   push:
     branches: [main]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   build:
     runs-on: ubuntu-latest