diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index a81ff05..b4afa99 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -10,3 +10,5 @@ updates:
   schedule:
     interval: daily
   open-pull-requests-limit: 10
+  cooldown:
+    default-days: 7
\ No newline at end of file
diff --git a/.github/workflows/auto-merge-dependabot.yml b/.github/workflows/auto-merge-dependabot.yml
index d454cd1..14fcbfe 100644
--- a/.github/workflows/auto-merge-dependabot.yml
+++ b/.github/workflows/auto-merge-dependabot.yml
@@ -19,7 +19,7 @@ jobs:
     steps:
       - name: Dependabot metadata
         id: metadata
-        uses: dependabot/fetch-metadata@v2.4.0
+        uses: dependabot/fetch-metadata@08eff52bf64351f401fb50d4972fa95b9f2c2d1b # v2.4.0
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"
 
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 24713b8..320442a 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -28,10 +28,10 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
 
     - name: Set up JDK 21
-      uses: actions/setup-java@v4
+      uses: actions/setup-java@cf277c60eb25467037889841efdb72551f06f6c3 # v4.9.1
       with:
         java-version: 21
         distribution: adopt
@@ -39,7 +39,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v3
+      uses: github/codeql-action/init@faaca9a8f6edddba5725ffe5adefdab6669a2eca # v3.38.0
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -50,7 +50,7 @@ jobs:
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v3
+      uses: github/codeql-action/autobuild@faaca9a8f6edddba5725ffe5adefdab6669a2eca # v3.38.0
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 https://git.io/JvXDl
@@ -64,4 +64,4 @@ jobs:
     #   make release
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v3
+      uses: github/codeql-action/analyze@faaca9a8f6edddba5725ffe5adefdab6669a2eca # v3.38.0
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 14e8821..460e29c 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -15,9 +15,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
     - name: Set up JDK 21
-      uses: actions/setup-java@v4
+      uses: actions/setup-java@cf277c60eb25467037889841efdb72551f06f6c3 # v4.9.1
       with:
         java-version: 21
         distribution: adopt