diff --git a/.github/workflows/affine-vscode-publish.yml b/.github/workflows/affine-vscode-publish.yml
index 44f3a74..4552169 100644
--- a/.github/workflows/affine-vscode-publish.yml
+++ b/.github/workflows/affine-vscode-publish.yml
@@ -26,6 +26,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   publish:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/instant-sync.yml b/.github/workflows/instant-sync.yml
index cf7bb7f..642c79a 100644
--- a/.github/workflows/instant-sync.yml
+++ b/.github/workflows/instant-sync.yml
@@ -11,6 +11,10 @@ on:
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   dispatch:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/publish-jsr.yml b/.github/workflows/publish-jsr.yml
index 1ec0f36..d8d378a 100644
--- a/.github/workflows/publish-jsr.yml
+++ b/.github/workflows/publish-jsr.yml
@@ -34,6 +34,10 @@ permissions:
   contents: read
   id-token: write # JSR OIDC; no token secret needed
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   publish:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a9749c6..e50791b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -27,6 +27,10 @@ on:
 permissions:
   contents: write
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   prepare:
     runs-on: ubuntu-latest