diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 00000000..2c48305b
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    groups:
+      github-actions:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 553d95a9..af301a02 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,16 +12,16 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@fbc6f3992d24b796d5a048ff273f7fcc4a7b6c09 # v5.1.0
 
       - name: Set up JDK 21
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5.7.0
         with:
           java-version: '21'
           distribution: 'temurin'
 
       - name: Cache local Maven repository
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
@@ -44,16 +44,16 @@ jobs:
           git config --global core.autocrlf false
           git config --global core.eol lf
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@fbc6f3992d24b796d5a048ff273f7fcc4a7b6c09 # v5.1.0
 
       - name: Set up JDK 21
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5.7.0
         with:
           java-version: '21'
           distribution: 'temurin'
 
       - name: Cache local Maven repository
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: $HOME/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
@@ -71,16 +71,16 @@ jobs:
     runs-on: macos-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@fbc6f3992d24b796d5a048ff273f7fcc4a7b6c09 # v5.1.0
 
       - name: Set up JDK 21
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5.7.0
         with:
           java-version: '21'
           distribution: 'temurin'
 
       - name: Cache local Maven repository
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
diff --git a/.github/workflows/triage-agent.yml b/.github/workflows/triage-agent.yml
index f1df6e11..79a4f239 100644
--- a/.github/workflows/triage-agent.yml
+++ b/.github/workflows/triage-agent.yml
@@ -21,11 +21,11 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@0717577d45739eb3c851188b29f50ed6c0b2194e # v2.8.0
 
       - name: Get issue data
         id: get_issue
-        uses: actions/github-script@v6
+        uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # v6.4.1
         with:
           script: |
             const eventName = context.eventName;
diff --git a/.github/workflows/triage-all-open-issues.yml b/.github/workflows/triage-all-open-issues.yml
index 092f4ef7..05dae014 100644
--- a/.github/workflows/triage-all-open-issues.yml
+++ b/.github/workflows/triage-all-open-issues.yml
@@ -28,7 +28,7 @@ jobs:
     steps:
       - name: Get all open issues
         id: get_issues
-        uses: actions/github-script@v6
+        uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # v6.4.1
         with:
           script: |
             // Use Search API to filter issues at API level
@@ -85,7 +85,7 @@ jobs:
       
       - name: Trigger triage workflow for issue
         if: inputs.dry_run != true
-        uses: actions/github-script@v6
+        uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # v6.4.1
         with:
           script: |
             const issueNumber = '${{ matrix.issue_number }}';