diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 0000000..9a68979
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1,22 @@
+# Code Owners for slack-github-threads
+# This file defines who will be automatically requested for review when changes are made to specific files.
+# For more information, see: https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners
+
+# Global owners - will be requested for review on all PRs
+* @markhallen
+
+# Dependency updates (Dependabot PRs)
+Gemfile @markhallen
+Gemfile.lock @markhallen
+Dockerfile @markhallen
+.github/workflows/ @markhallen
+
+# Configuration files
+config/ @markhallen
+.kamal/ @markhallen
+
+# Documentation
+README.md @markhallen
+docs/ @markhallen
+CONTRIBUTING.md @markhallen
+SECURITY.md @markhallen
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 037e574..6d5010c 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -8,10 +8,6 @@ updates:
       day: "monday"
       time: "09:00"
     open-pull-requests-limit: 5
-    reviewers:
-      - "your-username" # Replace with actual GitHub username
-    assignees:
-      - "your-username" # Replace with actual GitHub username
     commit-message:
       prefix: "deps"
       prefix-development: "deps-dev"
@@ -39,10 +35,6 @@ updates:
       day: "monday"
       time: "09:00"
     open-pull-requests-limit: 3
-    reviewers:
-      - "your-username" # Replace with actual GitHub username
-    assignees:
-      - "your-username" # Replace with actual GitHub username
     commit-message:
       prefix: "ci"
       include: "scope"
@@ -58,10 +50,6 @@ updates:
       day: "monday"
       time: "09:00"
     open-pull-requests-limit: 3
-    reviewers:
-      - "your-username" # Replace with actual GitHub username
-    assignees:
-      - "your-username" # Replace with actual GitHub username
     commit-message:
       prefix: "docker"
       include: "scope"