diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..221d178
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,18 @@
+version: 2
+updates:
+  - package-ecosystem: "cargo"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 10
+    groups:
+      cargo-minor-and-patch:
+        update-types:
+          - "minor"
+          - "patch"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 5
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
new file mode 100644
index 0000000..4cf40da
--- /dev/null
+++ b/.github/workflows/codeql.yml
@@ -0,0 +1,42 @@
+name: CodeQL
+
+on:
+  push:
+    branches: [ "m" ]
+  pull_request:
+    branches: [ "m" ]
+
+permissions: read-all
+
+jobs:
+  analyze:
+    name: Analyze (${{ matrix.language }})
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+      packages: read
+      actions: read
+      contents: read
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - language: actions
+            build-mode: none
+          - language: rust
+            build-mode: none
+
+    steps:
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 #v3
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@4e94bd11f71e507f7f87df81788dff88d1dacbfb # v3.30.7
+        with:
+          languages: ${{ matrix.language }}
+          build-mode: ${{ matrix.build-mode }}
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@4e94bd11f71e507f7f87df81788dff88d1dacbfb # v3.30.7
+        with:
+          category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index a7bc0c6..c2ab6bc 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -6,6 +6,9 @@ on:
 
 name: Publish
 
+permissions:
+  contents: read
+
 env:
   CARGO_TERM_COLOR: always
   CARGO_NET_GIT_FETCH_WITH_CLI: true
diff --git a/.github/workflows/readme.yml b/.github/workflows/readme.yml
index 4a5e965..cb02091 100644
--- a/.github/workflows/readme.yml
+++ b/.github/workflows/readme.yml
@@ -1,5 +1,8 @@
 name: Check README
 
+permissions:
+  contents: read
+
 on:
   pull_request:
     branches: [ "*" ]
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 0e0712c..a4ca17f 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -1,5 +1,8 @@
 name: Rust
 
+permissions:
+  contents: read
+
 on:
   pull_request:
     branches: [ "*" ]