diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 12d8a8a..16399d1 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -19,9 +19,9 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.6'
+          - '1.9'
           - '1'
-          - '~1.8.0-beta3'
+          - 'nightly'
         os:
           - ubuntu-latest
         arch:
diff --git a/Project.toml b/Project.toml
index 9680c6d..4774131 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,17 +1,15 @@
 name = "WinchModels"
 uuid = "7dcfa46b-7979-4771-bbf4-0aee0da42e1f"
 authors = ["Uwe Fechner <fechner@aenarete.eu> and contributors"]
-version = "0.1.1"
+version = "0.2.0"
 
 [deps]
 KiteUtils = "90980105-b163-44e5-ba9f-8b1c83bb0533"
 Parameters = "d96e819e-fc66-5662-9728-84c9c7592b0a"
-TestEnv = "1e6cf692-eddd-4d53-88a5-2d735e33781b"
 
 [compat]
-KiteUtils = "0.4"
+KiteUtils = "0.5"
 Parameters = "0.12"
-TestEnv = "1"
 julia = "1"
 
 [extras]
diff --git a/README.md b/README.md
index 7febabd..966f999 100644
--- a/README.md
+++ b/README.md
@@ -12,8 +12,10 @@ wind energy system. A ground station has the following components:
 Currently implemented is a model of the 20kW ground station from Delft University of Technology.
 
 ## Installation
+First, install Julia 1.9 or higher. Then launch Julia and install this package using the package manager.
 ```julia
-]add https://github.com/aenarete/WinchModels.jl
+]
+add WinchModels
 ```
 
 ## Exported types
@@ -24,8 +26,8 @@ AsyncMachine
 
 ## Main functions
 ```julia
-calc_acceleration(wm::AsyncGenerator, set_speed, speed, force, use_brake = false)
-calc_force(wm::AsyncGenerator, set_speed, speed)
+calc_acceleration(wm::AsyncMachine, set_speed, speed, force, use_brake = false)
+calc_force(wm::AsyncMachine, set_speed, speed)
 ```
 <p align="center"><img src="./docs/working_principle.png" width="800" /></p>
 
@@ -48,7 +50,7 @@ smooth_sign
 ```julia
 using WinchModels, BenchmarkTools
 
-wm = AsyncGenerator()
+wm = AsyncMachine()
 @benchmark calc_acceleration(wm, 7.9, 8.0, 100.0)
 ```
 On i7-7700K 17ns for Julia, 1050ns with Python.
diff --git a/bin/run_julia b/bin/run_julia
new file mode 100755
index 0000000..0f4e1de
--- /dev/null
+++ b/bin/run_julia
@@ -0,0 +1 @@
+LANG=en_US julia --project