diff --git a/.github/workflows/approved_status.yml b/.github/workflows/approved_status.yml
index bab208ebc259..f4481cc6b62f 100644
--- a/.github/workflows/approved_status.yml
+++ b/.github/workflows/approved_status.yml
@@ -25,7 +25,7 @@ jobs:
     steps:
       - name: Get GitHub App token
         id: get_token
-        uses: actions/create-github-app-token@v1
+        uses: actions/create-github-app-token@d72941d797fd3113feb6b93fd0dec494b13a2547 # v1.12.0
         with:
           app-id: ${{ secrets.PIPELINE_GITHUB_APP_ID }}
           private-key: ${{ secrets.PIPELINE_GITHUB_APP_PRIVATE_KEY }}
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 10aa601c2529..965768f47010 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -29,11 +29,11 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
+      uses: github/codeql-action/init@b8d3b6e8af63cde30bdc382c0bc28114f4346c88 # v2.28.1
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -47,7 +47,7 @@ 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@v2
+      uses: github/codeql-action/autobuild@b8d3b6e8af63cde30bdc382c0bc28114f4346c88 # v2.28.1
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2
+      uses: github/codeql-action/analyze@b8d3b6e8af63cde30bdc382c0bc28114f4346c88 # v2.28.1
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 4cfc089a3c1e..bf24f6da558f 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -18,13 +18,13 @@ jobs:
       DD_PROFILING_NO_EXTENSION: true
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
         with:
           # Fetch all history for applying timestamps to every page
           fetch-depth: 0
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@dffb23f65a78bba8db45d387d5ea1bbd6be3ef18 # v1.293.0
         with:
           ruby-version: "2.7"
           bundler-cache: true
@@ -32,7 +32,7 @@ jobs:
           cache-version: ${{ secrets.CACHE_VERSION }}
 
       - name: Cache yardoc
-        uses: actions/cache@v3
+        uses: actions/cache@6f8efc29b200d32929f49075959781ed54ec270c # v3.5.0
         with:
           path: |
             .yardoc
@@ -48,7 +48,7 @@ jobs:
       - name: Compress docs
         run: tar czf doc.tar.gz doc
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         with:
           name: documentation
           path: doc.tar.gz
@@ -61,7 +61,7 @@ jobs:
       - build
 
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
         with:
           name: documentation
           path: doc
@@ -69,7 +69,7 @@ jobs:
       - name: Uncompress docs
         run: tar xzf doc/doc.tar.gz && rm doc/doc.tar.gz
 
-      - uses: peaceiris/actions-gh-pages@v3
+      - uses: peaceiris/actions-gh-pages@373f7f263a76c20808c831209c920827a82a2847 # v3.9.3
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./doc
diff --git a/.github/workflows/reusable-examples.yml b/.github/workflows/reusable-examples.yml
index 06583ec96f16..4b0878f43e6e 100644
--- a/.github/workflows/reusable-examples.yml
+++ b/.github/workflows/reusable-examples.yml
@@ -25,12 +25,12 @@ jobs:
     env:
       DD_PROFILING_NO_EXTENSION: true
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
         with:
           repository: DataDog/datadog-api-client-ruby
           ref: ${{ inputs.target-branch || github.ref }}
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@dffb23f65a78bba8db45d387d5ea1bbd6be3ef18 # v1.293.0
         with:
           ruby-version: "2.7"
           bundler-cache: true
diff --git a/.github/workflows/reusable-integration-test.yml b/.github/workflows/reusable-integration-test.yml
index a083199be7b5..afefe2cf5dcb 100644
--- a/.github/workflows/reusable-integration-test.yml
+++ b/.github/workflows/reusable-integration-test.yml
@@ -90,13 +90,13 @@ jobs:
       - name: Get GitHub App token
         if: github.event_name == 'pull_request'
         id: get_token
-        uses: actions/create-github-app-token@v1
+        uses: actions/create-github-app-token@d72941d797fd3113feb6b93fd0dec494b13a2547 # v1.12.0
         with:
           app-id: ${{ secrets.PIPELINE_GITHUB_APP_ID }}
           private-key: ${{ secrets.PIPELINE_GITHUB_APP_PRIVATE_KEY }}
           repositories: ${{ inputs.target-repo || 'datadog-api-spec' }}
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
         with:
           repository: DataDog/datadog-api-client-ruby
           ref: ${{ inputs.target-branch || github.ref }}
@@ -113,7 +113,7 @@ jobs:
           sudo apt-get -y install zstd
           echo "ZSTANDARD_LIBRARY=$(find /usr/lib -iname libzstd.so.1)" >> $GITHUB_ENV
       - name: Set up Ruby 3.2
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@dffb23f65a78bba8db45d387d5ea1bbd6be3ef18 # v1.293.0
         with:
           ruby-version: "3.2"
           bundler-cache: true
diff --git a/.github/workflows/reusable-pre-commit.yml b/.github/workflows/reusable-pre-commit.yml
index a8b1c7bb58db..8f67ff27c502 100644
--- a/.github/workflows/reusable-pre-commit.yml
+++ b/.github/workflows/reusable-pre-commit.yml
@@ -30,24 +30,24 @@ jobs:
       - name: Get GitHub App token
         id: get_token
         if: inputs.enable-commit-changes
-        uses: actions/create-github-app-token@v1
+        uses: actions/create-github-app-token@d72941d797fd3113feb6b93fd0dec494b13a2547 # v1.12.0
         with:
           app-id: ${{ secrets.PIPELINE_GITHUB_APP_ID }}
           private-key: ${{ secrets.PIPELINE_GITHUB_APP_PRIVATE_KEY }}
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
         with:
           fetch-depth: 0
           repository: DataDog/datadog-api-client-ruby
           ref: ${{ inputs.target-branch || github.event.pull_request.head.sha || github.ref }}
           token: ${{ inputs.enable-commit-changes && steps.get_token.outputs.token || github.token }}
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@7f4fc3e22c37d6ff65e88745f38bd3157c663f7c # v4.9.1
         with:
           python-version: '3.11'
       - name: Install pre-commit
         run: python -m pip install pre-commit
       - name: set PY
         run: echo "PY=$(python -c 'import platform;print(platform.python_version())')" >> $GITHUB_ENV
-      - uses: actions/cache@v3
+      - uses: actions/cache@6f8efc29b200d32929f49075959781ed54ec270c # v3.5.0
         with:
           path: ~/.cache/pre-commit
           key: pre-commit|${{ env.PY }}|${{ hashFiles('.pre-commit-config.yaml') }}
diff --git a/.github/workflows/reusable-ruby-test.yml b/.github/workflows/reusable-ruby-test.yml
index 176a72420b7a..421ba16c493c 100644
--- a/.github/workflows/reusable-ruby-test.yml
+++ b/.github/workflows/reusable-ruby-test.yml
@@ -50,12 +50,12 @@ jobs:
       DD_ENV: prod
       DD_API_KEY: ${{ secrets.DD_API_KEY }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
         with:
           repository: DataDog/datadog-api-client-ruby
           ref: ${{ inputs.target-branch || github.ref }}
       - name: Set up Ruby ${{ matrix.ruby-version }}
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@dffb23f65a78bba8db45d387d5ea1bbd6be3ef18 # v1.293.0
         with:
           ruby-version: ${{ matrix.ruby-version }}
           bundler-cache: true
diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index a4e130ab2f86..db15c5c3e39f 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -16,7 +16,7 @@ jobs:
   stale:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v9
+      - uses: actions/stale@5bef64f19d7facfb25b37b414482c7164d639639 # v9.1.0
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           stale-issue-message: >-
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 762e1b737419..3fdefa46de5d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -70,7 +70,7 @@ jobs:
       - name: Get GitHub App token
         if: github.event_name == 'pull_request'
         id: get_token
-        uses: actions/create-github-app-token@v1
+        uses: actions/create-github-app-token@d72941d797fd3113feb6b93fd0dec494b13a2547 # v1.12.0
         with:
           app-id: ${{ secrets.PIPELINE_GITHUB_APP_ID }}
           private-key: ${{ secrets.PIPELINE_GITHUB_APP_PRIVATE_KEY }}