diff --git a/example-project/.github/workflows/auto-review.yaml b/example-project/.github/workflows/auto-review.yaml
index 078d41a0c..342c350ff 100644
--- a/example-project/.github/workflows/auto-review.yaml
+++ b/example-project/.github/workflows/auto-review.yaml
@@ -10,7 +10,7 @@ on:
 jobs:
   auto-merge:
     name: Auto reviews updates
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     timeout-minutes: 5
 
     steps:
diff --git a/example-project/.github/workflows/backport.yaml b/example-project/.github/workflows/backport.yaml
index 11ba6385c..2d6c29aa4 100644
--- a/example-project/.github/workflows/backport.yaml
+++ b/example-project/.github/workflows/backport.yaml
@@ -12,7 +12,7 @@ env:
 
 jobs:
   backport:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     name: Backport
     timeout-minutes: 5
 
diff --git a/example-project/.github/workflows/clean.yaml b/example-project/.github/workflows/clean.yaml
index 3fcbca711..3b533db2f 100644
--- a/example-project/.github/workflows/clean.yaml
+++ b/example-project/.github/workflows/clean.yaml
@@ -5,7 +5,7 @@ on: delete
 
 jobs:
   clean:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     name: Clean Docker hub tags
     timeout-minutes: 5
 
diff --git a/example-project/.github/workflows/codeql.yaml b/example-project/.github/workflows/codeql.yaml
deleted file mode 100644
index 97b8f9866..000000000
--- a/example-project/.github/workflows/codeql.yaml
+++ /dev/null
@@ -1,29 +0,0 @@
----
-name: CodeQL scanning
-
-on:
-  push:
-
-env:
-  HAS_SECRETS: ${{ secrets.HAS_SECRETS }}
-
-jobs:
-  codeql:
-    name: CodeQL scanning
-    runs-on: ubuntu-20.04
-    timeout-minutes: 20
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v2
-        if: env.HAS_SECRETS == 'HAS_SECRETS'
-
-      - name: Initialize CodeQL
-        uses: github/codeql-action/init@v1
-        with:
-          languages: python
-        if: env.HAS_SECRETS == 'HAS_SECRETS'
-
-      - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v1
-        if: env.HAS_SECRETS == 'HAS_SECRETS'
diff --git a/example-project/.github/workflows/delete-old-workflows-run.yaml b/example-project/.github/workflows/delete-old-workflows-run.yaml
index b0360c575..a298bb206 100644
--- a/example-project/.github/workflows/delete-old-workflows-run.yaml
+++ b/example-project/.github/workflows/delete-old-workflows-run.yaml
@@ -6,7 +6,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     timeout-minutes: 25
     name: Delete old workflow runs
 
diff --git a/example-project/.github/workflows/main.yaml b/example-project/.github/workflows/main.yaml
index 3b1ca68a8..e51502fab 100644
--- a/example-project/.github/workflows/main.yaml
+++ b/example-project/.github/workflows/main.yaml
@@ -15,7 +15,7 @@ env:
 
 jobs:
   main:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     name: Continuous integration
     timeout-minutes: 20
     if: "!startsWith(github.event.head_commit.message, '[skip ci] ')"
@@ -35,6 +35,18 @@ jobs:
       - run: echo "${HOME}/.local/bin" >> ${GITHUB_PATH}
       - run: python3 -m pip install --user --requirement=ci/requirements.txt
 
+      - uses: actions/cache@v3
+        with:
+          path: ~/.cache/pre-commit
+          key: pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}
+          restore-keys: "pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}\npre-commit-"
+      - run: pre-commit run --all-files
+        env:
+          SKIP: poetry-lock
+        if: matrix.python-version != '3.7'
+      - run: git diff && false
+        if: failure()
+
       - name: Checks
         run: c2cciutils-checks
 
diff --git a/example-project/.github/workflows/pr-checks.yaml b/example-project/.github/workflows/pr-checks.yaml
index 2979128bd..220cb5630 100644
--- a/example-project/.github/workflows/pr-checks.yaml
+++ b/example-project/.github/workflows/pr-checks.yaml
@@ -7,13 +7,13 @@ on:
       - reopened
       - labeled
       - unlabeled
-      - edit
+      - edited
       - synchronize
 
 jobs:
   build:
     name: Pull request check
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     timeout-minutes: 5
 
     steps:
diff --git a/example-project/ci/requirements.txt b/example-project/ci/requirements.txt
index d89c3eea8..0201903ed 100644
--- a/example-project/ci/requirements.txt
+++ b/example-project/ci/requirements.txt
@@ -1 +1,2 @@
 c2cciutils[checks,publish]==1.5.2
+pre-commit==3.2.1