diff --git a/.github/actions/configure-environment/action.yml b/.github/actions/configure-environment/action.yml
index 75a783e6..c870cf3f 100644
--- a/.github/actions/configure-environment/action.yml
+++ b/.github/actions/configure-environment/action.yml
@@ -21,7 +21,7 @@ runs:
         echo "pixi_version=${pixi_version}" >> "${GITHUB_OUTPUT}"
 
     - name: Setup pixi
-      uses: prefix-dev/setup-pixi@v0.8.14
+      uses: prefix-dev/setup-pixi@8ca4608ef7f4daeb54f5205b20d0b7cb42f11143 # v0.8.14
       with:
         pixi-version: v${{ steps.versions.outputs.pixi_version }}
         # Only the "default" environment is needed in CI; the "dev" environment
@@ -31,13 +31,13 @@ runs:
         cache: true
 
     - name: Setup Go
-      uses: actions/setup-go@v6
+      uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
       with:
         go-version-file: tooling/go.mod
         cache-dependency-path: tooling/go.sum
 
     - name: Setup Matlab
-      uses: matlab-actions/setup-matlab@v2
+      uses: matlab-actions/setup-matlab@aa8bbc7b76daa63c5d456d1430cbd6cb5b626ab4 # v2.7.0
       with:
         release: R2022b
         cache: true
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 28feb360..104ec286 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -8,3 +8,5 @@ updates:
     directory: /
     schedule:
       interval: weekly
+    cooldown:
+      default-days: 7
\ No newline at end of file
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ef2aeba0..cb265fe4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Configure environment
         uses: ./.github/actions/configure-environment
@@ -32,19 +32,19 @@ jobs:
     name: Build yardl binaries
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Configure environment
         uses: ./.github/actions/configure-environment
 
       - name: Build yardl binaries for multiple platforms
-        uses: goreleaser/goreleaser-action@v7
+        uses: goreleaser/goreleaser-action@f06c13b6b1a9625abc9e6e439d9c05a8f2190e94 # v7.2.3
         with:
           version: v2.8.1
           args: release --clean --snapshot
 
       - name: Upload yardl binaries
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         with:
           name: dist
           path: dist
@@ -54,10 +54,10 @@ jobs:
     runs-on: windows-latest
     needs: buildBinaries
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Download yardl binaries
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
         with:
           name: dist
 
@@ -75,10 +75,10 @@ jobs:
     runs-on: macos-latest
     needs: buildBinaries
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Download yardl binaries
-        uses: actions/download-artifact@v8
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
         with:
           name: dist
 
@@ -106,13 +106,13 @@ jobs:
         language: [ 'cpp', 'go', 'python' ]
 
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Configure environment
         uses: ./.github/actions/configure-environment
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4
+        uses: github/codeql-action/init@db488ddef3bf6cb639b32c2e9a7c0a7ea8271d28 # v4.37.8
         with:
           languages: ${{ matrix.language }}
 
@@ -121,7 +121,7 @@ jobs:
           just build-all
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v4
+        uses: github/codeql-action/analyze@db488ddef3bf6cb639b32c2e9a7c0a7ea8271d28 # v4.37.8
         with:
           category: "/language:${{matrix.language}}"
 
@@ -129,9 +129,9 @@ jobs:
     name: Check NOTICE.txt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
-      - uses: actions/setup-go@v7
+      - uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
         with:
           go-version-file: tooling/go.mod
           cache-dependency-path: tooling/go.sum
@@ -179,22 +179,22 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Build static page
         run: |
             cd docs
             npm install
             npm run docs:build
       - name: Setup Pages
-        uses: actions/configure-pages@v6
+        uses: actions/configure-pages@45bfe0192ca1faeb007ade9deae92b16b8254a0d # v6.0.0
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v5
+        uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9 # v5.0.0
         with:
           # Upload entire repository
           path: 'docs/.vitepress/dist'
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v5
+        uses: actions/deploy-pages@cd2ce8fcbc39b97be8ca5fce6e763baed58fa128 # v5.0.0
 
   release:
     if: github.event_name == 'push' && github.ref_type == 'tag'
@@ -209,7 +209,7 @@ jobs:
       contents: write
 
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0
 
@@ -223,7 +223,7 @@ jobs:
           dirname $(which go) >> $GITHUB_PATH
 
       - name: Run GoReleaser
-        uses: goreleaser/goreleaser-action@v7
+        uses: goreleaser/goreleaser-action@f06c13b6b1a9625abc9e6e439d9c05a8f2190e94 # v7.2.3
         with:
           version: v2.8.1
           args: release --clean