diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7e530fa..1369eff 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,6 +4,10 @@ on:
   pull_request:
     branches: [ "dev" ]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 env:
   CARGO_TERM_COLOR: always
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index cd2a16c..4fc88ff 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -90,6 +90,11 @@ jobs:
   container:
     needs: backend
     runs-on: ubuntu-latest
+
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
+      cancel-in-progress: true
+
     permissions:
       contents: read
       packages: write