diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7741640..b79a02a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -68,7 +68,7 @@ jobs:
 
   integration-linux:
     name: Linux ${{matrix.suite}} ${{matrix.os}}
-    runs-on: windows-latest
+    runs-on: ubuntu-latest
     needs: unit
     strategy:
       fail-fast: false
diff --git a/.rubocop.yml b/.rubocop.yml
new file mode 100644
index 0000000..a56e722
--- /dev/null
+++ b/.rubocop.yml
@@ -0,0 +1,10 @@
+require:
+  - chefstyle
+
+AllCops:
+  TargetRubyVersion: 2.7
+  Include:
+    - "**/*.rb"
+  Exclude:
+    - "vendor/**/*"
+    - "spec/**/*"