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/check-markdown-links.yml b/.github/workflows/check-markdown-links.yml
index 1d2c1f48..e10583e5 100644
--- a/.github/workflows/check-markdown-links.yml
+++ b/.github/workflows/check-markdown-links.yml
@@ -16,10 +16,10 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
 
       - name: Check markdown links
-        uses: umbrelladocs/action-linkspector@v1
+        uses: umbrelladocs/action-linkspector@568ec8d29fa92b31fd9ea5381e155c51e922af83 # v1.5.5
         with:
           config_file: .github/linters/.linkspector.yml
           fail_on_error: true
diff --git a/.github/workflows/lint-code-base.yml b/.github/workflows/lint-code-base.yml
index 205b8a9d..dba582a2 100644
--- a/.github/workflows/lint-code-base.yml
+++ b/.github/workflows/lint-code-base.yml
@@ -17,12 +17,12 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
         with:
           # Full git history is needed to get a proper list of changed files within `super-linter`
           fetch-depth: 0
       - name: Lint Code Base
-        uses: github/super-linter@v6 # https://github.com/github/super-linter
+        uses: github/super-linter@4e51915f4a812abf59fed160bb14595c0a38a9e7 # v6
         env:
           DEFAULT_BRANCH: main
           FILTER_REGEX_EXCLUDE: eng/docker-tools/.*|eng/readme-templates/.*|.portal-docs/.*