diff --git a/CHANGELOG.md b/CHANGELOG.md
index 973f4ba..e0da76f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,12 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+## [v0.4.1] - 2026-05-20
+
+### Fixed
+
+- Reverted `:igniter` dependency from `only: [:dev, :test], runtime: false` back to `optional: true`, restoring correct Igniter behaviour for `mix permit.install` / `mix igniter.install permit`.
+
 ## [v0.4.0] - 2026-04-28
 
 ### Added
@@ -22,7 +28,7 @@ All notable changes to this project will be documented in this file.
 ### Fixed
 
 - [Breaking] The behaviour of predicate functions has been changed to match the behaviour of Permit.Ecto in has-many associations (#53).
-  
+
   With two disjunctive conditions on the same has-many association, the predicate function will now return `true` if at least one of the conditions is met - matching the behaviour of Permit.Ecto which builds a JOIN query and naturally returns the base record if _any_ associated record matches the query condition.
 
   Example:
@@ -37,19 +43,19 @@ All notable changes to this project will be documented in this file.
       |> can(:read, %Article{authorized_viewers: [%{id: user.id}]})
     end
   end
-  
+
   # Article has no authorized viewers
   can(user) |> read?(%Article{authorized_viewers: []})
   => false
-  
+
   # All authorized viewer records match current user
   can(user) |> read?(%Article{authorized_viewers: [%{id: user.id}]})
   => true
-  
+
   # Any authorized viewer record matches current user
   can(user) |> read?(%Article{authorized_viewers: [%{id: user.id}, %{id: 123}]})
   => true
-  
+
   # No authorized viewer records match current user
   can(user) |> read?(%Article{authorized_viewers: [%{id: 123}]})
   => false
diff --git a/README.md b/README.md
index e062d3b..823c0a6 100644
--- a/README.md
+++ b/README.md
@@ -290,7 +290,7 @@ mix permit.patch.controller MyAppWeb.ArticleController MyApp.Blog.Article
 mix permit.patch.live_view MyAppWeb.ArticleLive.Index MyApp.Blog.Article
 ```
 
-See the [Igniter documentation](https://hexdocs.pm/igniter) for more details.
+The `:igniter` dependency is required to run these tasks from within the project. See the [Igniter documentation](https://hexdocs.pm/igniter) for more details.
 
 ### Manual installation
 
@@ -299,7 +299,7 @@ Alternatively, add `permit` to your list of dependencies in `mix.exs`:
 ```elixir
 def deps do
   [
-    {:permit, "~> 0.3.3"}
+    {:permit, "~> 0.4.0"}
   ]
 end
 ```
@@ -309,10 +309,11 @@ For additional integrations, add the relevant packages:
 ```elixir
 def deps do
   [
-    {:permit, "~> 0.3.3"},
-    {:permit_ecto, "~> 0.2.4"},     # For Ecto integration
-    {:permit_phoenix, "~> 0.3.0"},  # For Phoenix & LiveView
-    {:permit_absinthe, "~> 0.1.0"}  # For GraphQL (Absinthe)
+    {:permit, "~> 0.4.0"},
+    {:permit_ecto, "~> 0.3.0"},               # For Ecto integration
+    {:permit_phoenix, "~> 0.5.0"},            # For Phoenix & LiveView
+    {:permit_absinthe, "~> 0.3.0"},           # For GraphQL (Absinthe)
+    {:igniter, "~> 0.8", only: [:dev, :test]} # For generator tasks
   ]
 end
 ```
diff --git a/lib/mix/tasks/permit.install.ex b/lib/mix/tasks/permit.install.ex
index 3a7e223..53d42a0 100644
--- a/lib/mix/tasks/permit.install.ex
+++ b/lib/mix/tasks/permit.install.ex
@@ -3,7 +3,7 @@ if Version.match?(System.version(), ">= 1.15.0") and Code.ensure_loaded?(Igniter
     @shortdoc "Installs Permit authorization into your project"
 
     @moduledoc """
-    Installs Permit authorization into your project.
+    Installs Permit authorization into your project. Requires the `:igniter` dependency.
 
     ## Usage
 
diff --git a/mix.exs b/mix.exs
index 20ae981..5eeb70f 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule Permit.MixProject do
   use Mix.Project
 
-  @version "0.4.0"
+  @version "0.4.1"
   @source_url "https://github.com/curiosum-dev/permit/"
 
   def project do
@@ -68,7 +68,7 @@ defmodule Permit.MixProject do
 
   defp igniter_dep do
     if Version.match?(System.version(), ">= 1.15.0") do
-      [{:igniter, "~> 0.5", only: [:dev, :test], runtime: false}]
+      [{:igniter, "~> 0.5", optional: true}]
     else
       []
     end