diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..cb195ab
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,26 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+          cache: 'pip'
+
+      - name: Installing
+        run: pip install -r requirements_dev.txt
+
+      - name: Formatting
+        run: black . --check
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 5631cd5..a754f6a 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.10 (otp-gen)" project-jdk-type="Python SDK" />
+  <component name="Black">
+    <option name="sdkName" value="Python 3.10 (otp-gen)" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.11 (otp-gen)" project-jdk-type="Python SDK" />
 </project>
\ No newline at end of file
diff --git a/.idea/otp-gen.iml b/.idea/otp-gen.iml
index 53b0caa..0c4aab7 100644
--- a/.idea/otp-gen.iml
+++ b/.idea/otp-gen.iml
@@ -4,7 +4,7 @@
     <content url="file://$MODULE_DIR$">
       <excludeFolder url="file://$MODULE_DIR$/venv" />
     </content>
-    <orderEntry type="jdk" jdkName="Python 3.10 (otp-gen)" jdkType="Python SDK" />
+    <orderEntry type="jdk" jdkName="Python 3.11 (otp-gen)" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index c936d72..d40cd58 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,2 @@
 panda3d
 coloredlogs
-black
diff --git a/requirements_dev.txt b/requirements_dev.txt
new file mode 100644
index 0000000..9db4397
--- /dev/null
+++ b/requirements_dev.txt
@@ -0,0 +1,2 @@
+-r requirements.txt
+black
\ No newline at end of file