diff --git a/.github/renovate.json b/.github/renovate.json
index 8eb6fdc..f8fe254 100644
--- a/.github/renovate.json
+++ b/.github/renovate.json
@@ -8,6 +8,8 @@
     "separateMinorPatch": false,
     "prHourlyLimit": 1,
     "prConcurrentLimit": 1,
+    "rebaseConflictedPrs": false,
+    "rebaseStalePrs": false,
     "major": {
         "dependencyDashboardApproval": true
     },
diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index 549df4f..a81a428 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -14,6 +14,10 @@ on:
   merge_group:
       types: [checks_requested]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   audit:
     if: ${{ github.repository_owner == 'rustic-rs' }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d4a1b96..3743389 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,6 +15,10 @@ on:
   merge_group:
     types: [checks_requested]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   fmt:
     name: Rustfmt
diff --git a/.github/workflows/cross-ci.yml b/.github/workflows/cross-ci.yml
index aba4bce..ad4d5b0 100644
--- a/.github/workflows/cross-ci.yml
+++ b/.github/workflows/cross-ci.yml
@@ -18,6 +18,10 @@ defaults:
   run:
     shell: bash
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   cross-check:
     name: Cross checking ${{ matrix.job.target }}
@@ -88,6 +92,7 @@ jobs:
           toolchain: ${{ matrix.rust }}
           target: ${{ matrix.job.target }}
           use-cross: ${{ matrix.job.use-cross }}
+          project-cache-key: "rustic_server"
 
   result:
     name: Result (Cross-CI)
diff --git a/.github/workflows/lint-docs.yml b/.github/workflows/lint-docs.yml
index 266a0ee..67a6d71 100644
--- a/.github/workflows/lint-docs.yml
+++ b/.github/workflows/lint-docs.yml
@@ -7,6 +7,10 @@ on:
   merge_group:
     types: [checks_requested]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   style:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/prebuilt-pr.yml b/.github/workflows/prebuilt-pr.yml
index a6f317e..2ccf653 100644
--- a/.github/workflows/prebuilt-pr.yml
+++ b/.github/workflows/prebuilt-pr.yml
@@ -13,6 +13,10 @@ on:
 env:
   BINARY_NAME: rustic-server
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   pr-build:
     if: ${{ github.event.label.name == 'S-build' && github.repository_owner == 'rustic-rs' }}
diff --git a/.github/workflows/release-ci.yml b/.github/workflows/release-ci.yml
index 1433cae..eb87e81 100644
--- a/.github/workflows/release-ci.yml
+++ b/.github/workflows/release-ci.yml
@@ -14,6 +14,10 @@ on:
   #       options:
   #         - rustic_server
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   determine-package:
     name: Determine package to release