diff --git a/Gemfile.lock b/Gemfile.lock
index c92c28f..ed6b2d6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    kan (0.3.0)
+    kan (0.4.0)
 
 GEM
   remote: https://rubygems.org/
diff --git a/lib/kan/version.rb b/lib/kan/version.rb
index 1f0cfbd..eb14dd0 100644
--- a/lib/kan/version.rb
+++ b/lib/kan/version.rb
@@ -1,3 +1,3 @@
 module Kan
-  VERSION = "0.3.0".freeze
+  VERSION = "0.4.0".freeze
 end
diff --git a/spec/unit/version_spec.rb b/spec/unit/version_spec.rb
index fcf1c35..d660e60 100644
--- a/spec/unit/version_spec.rb
+++ b/spec/unit/version_spec.rb
@@ -1,3 +1,3 @@
 RSpec.describe Kan::VERSION do
-  it { expect(Kan::VERSION).to eq '0.3.0' }
+  it { expect(Kan::VERSION).to eq '0.4.0' }
 end