diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index c96e7c6..74503be 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -1,8 +1,12 @@
 name: CI (SIAX Cloud)
 on: [push, pull_request, workflow_dispatch]
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
+  cancel-in-progress: true
 jobs:
   quality:
     runs-on: ubuntu-latest
+    timeout-minutes: 30
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
@@ -23,6 +27,7 @@ jobs:
         run: pnpm run build
   security:
     runs-on: ubuntu-latest
+    timeout-minutes: 15
     steps:
       - uses: actions/checkout@v4
       - name: Install Trivy
@@ -31,6 +36,7 @@ jobs:
         run: trivy fs --scanners vuln,secret --severity HIGH,CRITICAL --exit-code 0 .
   contracts:
     runs-on: ubuntu-latest
+    timeout-minutes: 30
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4