diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 000000000..1603cdd9e
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,9 @@
+# Dependabot configuration file.
+# See https://docs.github.com/en/code-security/dependabot/dependabot-version-updates
+version: 2
+
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
diff --git a/.github/workflows/adaptive_banner_example.yaml b/.github/workflows/adaptive_banner_example.yaml
index fea1af49c..2c4d12699 100644
--- a/.github/workflows/adaptive_banner_example.yaml
+++ b/.github/workflows/adaptive_banner_example.yaml
@@ -33,7 +33,7 @@ jobs:
     if: github.event_name == 'pull_request'
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
         with:
           fetch-depth: 0
       - name: "Install Flutter"
@@ -47,7 +47,7 @@ jobs:
     runs-on: macos-latest
     timeout-minutes: 40
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
         with:
           fetch-depth: 0
       - name: "Install Flutter"
@@ -64,7 +64,7 @@ jobs:
     if: github.event_name == 'pull_request'
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
         with:
           fetch-depth: 0
       - name: "Install Flutter"
diff --git a/.github/workflows/app_open_example.yaml b/.github/workflows/app_open_example.yaml
index e98ed014d..4d1eee75d 100644
--- a/.github/workflows/app_open_example.yaml
+++ b/.github/workflows/app_open_example.yaml
@@ -33,7 +33,7 @@ jobs:
     if: github.event_name == 'pull_request'
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
         with:
           fetch-depth: 0
       - name: "Install Flutter"
@@ -47,7 +47,7 @@ jobs:
     runs-on: macos-latest
     timeout-minutes: 40
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
         with:
           fetch-depth: 0
       - name: "Install Flutter"
@@ -64,7 +64,7 @@ jobs:
     if: github.event_name == 'pull_request'
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
         with:
           fetch-depth: 0
       - name: "Install Flutter"
diff --git a/.github/workflows/interstitial_example.yaml b/.github/workflows/interstitial_example.yaml
index d66e8ffe8..f577a57b0 100644
--- a/.github/workflows/interstitial_example.yaml
+++ b/.github/workflows/interstitial_example.yaml
@@ -33,7 +33,7 @@ jobs:
     if: github.event_name == 'pull_request'
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
         with:
           fetch-depth: 0
       - name: "Install Flutter"
@@ -47,7 +47,7 @@ jobs:
     runs-on: macos-latest
     timeout-minutes: 40
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
         with:
           fetch-depth: 0
       - name: "Install Flutter"
@@ -64,7 +64,7 @@ jobs:
     if: github.event_name == 'pull_request'
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
         with:
           fetch-depth: 0
       - name: "Install Flutter"