diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..9c39a86
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,16 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions" # See documentation for possible values
+    directory: ".github/workflows" # Location of package manifests
+    schedule:
+      interval: "monthly"
+    groups:
+      actions:
+        patterns:
+          - "*"
+
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 318fd9a..12b04e0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,10 +13,10 @@ jobs:
 
     steps:
       - name: checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938  # v4.2.0
 
       - name: set up python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3  # v5.2.0
         with:
           python-version: '3.8'
 
@@ -27,7 +27,7 @@ jobs:
           python setup.py bdist_wheel
 
       - name: cache artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874  # v4.4.0
         with:
           name: dist-artifacts
           path: dist
@@ -44,12 +44,12 @@ jobs:
 
     steps:
       - name: set up python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3  # v5.2.0
         with:
           python-version: '3.8'
 
       - name: fetch artifacts
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16  # v4.1.8
         with:
           name: dist-artifacts
           path: dist
@@ -66,12 +66,12 @@ jobs:
 
     steps:
       - name: set up python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3  # v5.2.0
         with:
           python-version: '3.8'
 
       - name: fetch artifacts
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16  # v4.1.8
         with:
           name: dist-artifacts
           path: dist