diff --git a/.github/workflows/hassfest.yaml b/.github/workflows/hassfest.yaml
new file mode 100644
index 0000000..bf1b612
--- /dev/null
+++ b/.github/workflows/hassfest.yaml
@@ -0,0 +1,14 @@
+name: Validate with hassfest
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  validate:
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/checkout@v3"
+      - uses: home-assistant/actions/hassfest@master
\ No newline at end of file
diff --git a/custom_components/elektro_network_tariff/manifest.json b/custom_components/elektro_network_tariff/manifest.json
index 0651cbd..1424bc3 100644
--- a/custom_components/elektro_network_tariff/manifest.json
+++ b/custom_components/elektro_network_tariff/manifest.json
@@ -1,11 +1,12 @@
 {
   "domain": "elektro_network_tariff",
   "name": "Elektro Network Tariff",
-  "documentation": "https://github.com/frlequ/elektro_network_tariff",
-  "dependencies": [],
   "codeowners": ["@frlequ"],
-  "version": "0.1.1",
-  "requirements": [],
+  "dependencies": [],
+  "documentation": "https://github.com/frlequ/elektro_network_tariff",
   "integration_type": "entity",
-  "iot_class": "local_polling"
-}
+  "iot_class": "local_polling",
+  "issue_tracker": "https://github.com/frlequ/elektro_network_tariff/issues",
+  "requirements": [],
+  "version": "0.1.1"
+}
\ No newline at end of file
diff --git a/hacs.json b/hacs.json
new file mode 100644
index 0000000..ca9272e
--- /dev/null
+++ b/hacs.json
@@ -0,0 +1,5 @@
+{
+    "name": "Network Tariff",
+    "homeassistant": "2023.8.0",
+    "render_readme": true
+}
diff --git a/mypy.ini b/mypy.ini
new file mode 100644
index 0000000..ee45470
--- /dev/null
+++ b/mypy.ini
@@ -0,0 +1,5 @@
+[mypy]
+ignore_missing_imports = True
+
+[mypy-voluptuous]
+ignore_missing_imports = True
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+
diff --git a/requirements_dev.txt b/requirements_dev.txt
new file mode 100644
index 0000000..1f92b21
--- /dev/null
+++ b/requirements_dev.txt
@@ -0,0 +1,5 @@
+black>=22.12
+flake8>=6.0
+mypy>=0.991
+pylint>=2.15
+types-requests