diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..1fd2ed3
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,13 @@
+---
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7a92841..d0563b8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,11 +18,12 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.8
+          python-version: 3.9
       - name: Store installed Python version
         run: |
-          echo "::set-env name=PY_VERSION::"\
-          "$(python -c "import platform;print(platform.python_version())")"
+          echo "PY_VERSION="\
+          "$(python -c "import platform;print(platform.python_version())")" \
+          >> $GITHUB_ENV
       - name: Cache linting environments
         uses: actions/cache@v2
         with: