diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index b9b659b..b69ad74 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,6 +1,6 @@
 {
 	"name": "henricm/ha-ferroamp",
-	"image": "mcr.microsoft.com/devcontainers/python:0-3.10-bullseye",
+	"image": "mcr.microsoft.com/devcontainers/python:0-3.11-bullseye",
 	"forwardPorts": [
 		8123,
 		5678
diff --git a/.github/workflows/pythonpackage.yaml b/.github/workflows/pythonpackage.yaml
index 15465be..a5fec4f 100644
--- a/.github/workflows/pythonpackage.yaml
+++ b/.github/workflows/pythonpackage.yaml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ["3.10"]
+        python-version: ["3.11"]
 
     steps:
       - uses: actions/checkout@v3
diff --git a/.gitignore b/.gitignore
index 864e01c..21fa6ff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,9 @@ env
 .mypy_cache
 .coverage
 .secrets
+.direnv
+.devcontainer/config/.HA_VERSION
+.devcontainer/config/.storage
+.devcontainer/config/blueprints
+.devcontainer/config/home-assistant.log*
+.devcontainer/config/home-assistant_v2.db*
diff --git a/README.md b/README.md
index 82d6877..bda2646 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ Ferroamp MQTT support sends updates to these topics:
  * extapi/data/esm (interval 60s)
 
 ## Prerequisites
-- Home assistant `2022.12.x`
+- Home assistant `2023.7.x`
 - Enable Ferroamp MQTT by contacting [Ferroamp Support](https://ferroamp.com/sv/kontakt/) to get the username and password for your Energy MQTT broker.
 - Enable MQTT in Home assistant and set the broker to your Ferroamp Energy IP and configure it with your username and password received from Ferroamp (or setup a bridge-connection if you already have an MQTT-server, see the `Configuring Bridges`-section in the [Mosquitto documentation](https://mosquitto.org/man/mosquitto-conf-5.html)).
 
@@ -198,7 +198,7 @@ The process is straight-forward.
   This repository includes devcontainer configuration for Visual Studio Code with everything you need to get started. See [instructions](.devcontainer/README.md) for more details.
 
 #### Other IDEs
-- Install python 3.9+
+- Install python 3.11+
 - **Recommended**: create a python [virtual environment](https://docs.python.org/3/library/venv.html) for the project.
 
 - Install development dependencies:
diff --git a/hacs.json b/hacs.json
index 79a8fe9..793e53d 100644
--- a/hacs.json
+++ b/hacs.json
@@ -1,4 +1,4 @@
 {
   "name": "Ferroamp Sensors",
-  "homeassistant": "2022.12.0b0"
+  "homeassistant": "2023.7.0"
 }
diff --git a/requirements.dev.txt b/requirements.dev.txt
index 909098c..ef98fdd 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -2,5 +2,5 @@
 black==23.7.0
 isort==5.12.0
 flake8==6.1.0
-homeassistant==2022.12.0
+homeassistant==2023.7.3
 pre-commit==3.3.3
diff --git a/requirements.test.txt b/requirements.test.txt
index 1e6ab99..49bc9df 100644
--- a/requirements.test.txt
+++ b/requirements.test.txt
@@ -1,5 +1,5 @@
 # Strictly for tests
-pytest-homeassistant-custom-component==0.12.29
+pytest-homeassistant-custom-component==0.13.45
 janus==1.0.0
 # From our manifest.json for our custom component
 aiohttp_cors==0.7.0