diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index db4c4598843..df69c065569 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -38,15 +38,15 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
     - name: "☕️ Setup JDK"
-      uses: actions/setup-java@v4
+      uses: actions/setup-java@7a6d8a8234af8eb26422e24e3006232cccaa061b # v4
       with:
         distribution: liberica
         java-version: 17
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v3
+      uses: github/codeql-action/init@b6a472f63d85b9c78a3ac5e89422239fc15e9b3c # v3
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -57,7 +57,7 @@ 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@b6a472f63d85b9c78a3ac5e89422239fc15e9b3c # v3
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
@@ -71,4 +71,4 @@ jobs:
     #   make release
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v3
+      uses: github/codeql-action/analyze@b6a472f63d85b9c78a3ac5e89422239fc15e9b3c # v3
diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index e5625906476..94437e22d25 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -18,7 +18,7 @@ jobs:
       contents: read
     steps:
       - name: "📥 Checkout repository"
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - name: "🔍 Check if we should skip publish"
         id: check_prevent_property
         run: |
@@ -39,14 +39,14 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: "📥 Checkout repository"
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - name: "☕️ Setup JDK"
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@7a6d8a8234af8eb26422e24e3006232cccaa061b # v4
         with:
           distribution: liberica
           java-version: ${{ matrix.java }}
       - name: "🐘 Setup Gradle"
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@0bdd871935719febd78681f197cd39af5b6e16a6 # v4
         with:
           develocity-access-key: ${{ secrets.GRADLE_ENTERPRISE_ACCESS_KEY }}
       - name: "🔨 Build project"
@@ -63,14 +63,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: "📥 Checkout repository"
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - name: "☕️ Setup JDK"
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@7a6d8a8234af8eb26422e24e3006232cccaa061b # v4
         with:
           distribution: liberica
           java-version: 17
       - name: "🐘 Setup Gradle"
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@0bdd871935719febd78681f197cd39af5b6e16a6 # v4
         with:
           develocity-access-key: ${{ secrets.GRADLE_ENTERPRISE_ACCESS_KEY }}
       - name: "📤 Publish Snapshot Artifacts to Artifactory (repo.grails.org/libs-snapshot-local)"
diff --git a/.github/workflows/groovy-joint-workflow.yml b/.github/workflows/groovy-joint-workflow.yml
index 0fe1d42d3f6..e98eb12b483 100644
--- a/.github/workflows/groovy-joint-workflow.yml
+++ b/.github/workflows/groovy-joint-workflow.yml
@@ -16,17 +16,17 @@ jobs:
       groovyVersion: ${{ steps.groovy-version.outputs.value }}
     steps:
       - name: "☕️ Setup JDK"
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@7a6d8a8234af8eb26422e24e3006232cccaa061b # v4
         with:
           distribution: liberica
           java-version: 17
       - name: "🗄️ Cache local Maven repository"
-        uses: actions/cache@v4
+        uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4
         with:
           path: ~/.m2/repository
           key: cache-local-maven-${{ github.sha }}
       - name: "📥 Checkout Grails Core to fetch Gradle Plugin versions it uses"
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
         with:
           sparse-checkout-cone-mode: false
           sparse-checkout: settings.gradle
@@ -43,7 +43,7 @@ jobs:
       - name: "📥 Checkout Groovy 4_0_X (Grails 7 and later)"
         run: git clone --depth 1 https://github.com/apache/groovy.git -b GROOVY_4_0_X --single-branch
       - name: "🐘 Setup Gradle"
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@0bdd871935719febd78681f197cd39af5b6e16a6 # v4
         with:
           develocity-access-key: ${{ secrets.GRADLE_ENTERPRISE_ACCESS_KEY }}
       - name: "📝 Store Groovy version to use when building Grails"
@@ -117,18 +117,18 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: "📥 Checkout project"
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - name: "☕️ Setup JDK"
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@7a6d8a8234af8eb26422e24e3006232cccaa061b # v4
         with:
           distribution: liberica
           java-version: 17
       - name: "🐘 Setup Gradle"
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@0bdd871935719febd78681f197cd39af5b6e16a6 # v4
         with:
           develocity-access-key: ${{ secrets.GRADLE_ENTERPRISE_ACCESS_KEY }}
       - name: "🗄️ Restore local Maven repository from cache"
-        uses: actions/cache@v4
+        uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4
         with:
           path: ~/.m2/repository
           key: cache-local-maven-${{ github.sha }}
diff --git a/.github/workflows/pre-release.yml b/.github/workflows/pre-release.yml
index 796a586cdd5..d98bfc42fed 100644
--- a/.github/workflows/pre-release.yml
+++ b/.github/workflows/pre-release.yml
@@ -280,7 +280,7 @@ jobs:
           -H "X-GitHub-Api-Version: 2022-11-28" \
           https://api.github.com/orgs/${{ github.repository_owner }}/packages/maven/org.grails.grails-web-mvc || true
       - name: "📥 Checkout repository"
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - name: "🛑 Set Prevent Snapshot Publishing Flag"
         if: ${{ github.event.inputs.preventSnapshots }}
         run: |
@@ -298,12 +298,12 @@ jobs:
             echo "Publishing already disabled."
           fi
       - name: "☕️ Setup JDK"
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@7a6d8a8234af8eb26422e24e3006232cccaa061b # v4
         with:
           distribution: 'liberica'
           java-version: '17'
       - name: "🐘 Setup Gradle"
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@0bdd871935719febd78681f197cd39af5b6e16a6 # v4
         with:
           develocity-access-key: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
       - name: "⚙ Set version to ${{ github.event.inputs.targetVersion }}"
diff --git a/.github/workflows/release-notes.yml b/.github/workflows/release-notes.yml
index f40a82c4567..a4b35828a54 100644
--- a/.github/workflows/release-notes.yml
+++ b/.github/workflows/release-notes.yml
@@ -19,6 +19,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: "📝 Update Release Draft"
-        uses: release-drafter/release-drafter@v6
+        uses: release-drafter/release-drafter@3f0f87098bd6b5c5b9a36d49c41d998ea58f9348 # v6
         env:
           GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
\ No newline at end of file
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 23847105697..de7a11e6a72 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -274,7 +274,7 @@ jobs:
           -H "X-GitHub-Api-Version: 2022-11-28" \
           https://api.github.com/orgs/${{ github.repository_owner }}/packages/maven/org.grails.grails-web-mvc || true
       - name: "📥 Checkout repository"
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - name: "⎌ Revert Prevent Snapshot Publishing Flag"
         run: |
           sed -i "s/^preventSnapshotPublish.*$/preventSnapshotPublish\=false/" gradle.properties
@@ -290,12 +290,12 @@ jobs:
             echo "Publishing already enabled."
           fi
       - name: "☕️ Setup JDK"
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@7a6d8a8234af8eb26422e24e3006232cccaa061b # v4
         with:
           distribution: liberica
           java-version: 17
       - name: "🐘 Setup Gradle"
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@0bdd871935719febd78681f197cd39af5b6e16a6 # v4
         with:
           develocity-access-key: ${{ secrets.GRADLE_ENTERPRISE_ACCESS_KEY }}
       - name: "📝 Store the target branch"
@@ -361,17 +361,17 @@ jobs:
       contents: read # limit to read access
     steps:
       - name: "📥 Checkout repository"
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
         with:
           token: ${{ secrets.GH_TOKEN }}
           ref: v${{ needs.publish.outputs.release_version }}
       - name: "☕️ Setup JDK"
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@7a6d8a8234af8eb26422e24e3006232cccaa061b # v4
         with:
           distribution: liberica
           java-version: 17
       - name: "🐘 Setup Gradle"
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@0bdd871935719febd78681f197cd39af5b6e16a6 # v4
         with:
           develocity-access-key: ${{ secrets.GRADLE_ENTERPRISE_ACCESS_KEY }}
       - name: "🚪 Nexus Staging Close And Release"
diff --git a/.github/workflows/retry-release.yml b/.github/workflows/retry-release.yml
index 9988e1b4bdb..8298e8dd8a3 100644
--- a/.github/workflows/retry-release.yml
+++ b/.github/workflows/retry-release.yml
@@ -20,7 +20,7 @@ jobs:
       GIT_USER_EMAIL: 'grails-build@users.noreply.github.com'
     steps:
       - name: "📥 Checkout repository"
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
         with:
           ref: "v${{ github.event.inputs.release }}"
           token: ${{ secrets.GH_TOKEN }}
@@ -30,7 +30,7 @@ jobs:
           distribution: liberica
           java-version: 17
       - name: "🐘 Setup Gradle"
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@0bdd871935719febd78681f197cd39af5b6e16a6 # v4
         with:
           develocity-access-key: ${{ secrets.GRADLE_ENTERPRISE_ACCESS_KEY }}
       - name: "📝 Store the target branch"
diff --git a/.github/workflows/sdkman.yml b/.github/workflows/sdkman.yml
index 013bd36160c..1dc8498fb77 100644
--- a/.github/workflows/sdkman.yml
+++ b/.github/workflows/sdkman.yml
@@ -12,17 +12,17 @@ jobs:
       contents: read
     steps:
       - name: "📥 Checkout repository"
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
         with:
           token: ${{ secrets.GH_TOKEN }}
           ref: v${{ github.event.inputs.version }}
       - name: "☕️ Setup JDK"
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@7a6d8a8234af8eb26422e24e3006232cccaa061b # v4
         with:
           distribution: liberica
           java-version: 17
       - name: "🐘 Setup Gradle"
-        uses: gradle/actions/setup-gradle@v4
+        uses: gradle/actions/setup-gradle@0bdd871935719febd78681f197cd39af5b6e16a6 # v4
         with:
           develocity-access-key: ${{ secrets.GRADLE_ENTERPRISE_ACCESS_KEY }}
       - name: "🏆 Grails SDK Minor Release"