diff --git a/ChangeLog.md b/ChangeLog.md
index f99fde1..b69429e 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,10 @@
 # ChangeLog
 
+## 0.4.1 (09/18/2015)
+
+* Fix: Possible crash caused by trying to store missing error in
+  an `NSDictionary` (#27)
+
 ## 0.4.0 (07/24/2015)
 
 * Fix: Possible crash caused by missing response object (#26)
diff --git a/OMPromises.podspec b/OMPromises.podspec
index 473af43..73ceec2 100644
--- a/OMPromises.podspec
+++ b/OMPromises.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'OMPromises'
-  s.version      = '0.4.0'
+  s.version      = '0.4.1'
   s.summary      = 'Promises for iOS & Mac OS X'
   s.homepage     = 'http://github.com/b52/OMPromises'
   s.license      = { :type => 'MIT', :file => 'LICENSE' }
diff --git a/README.md b/README.md
index c9692f4..4277afb 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ The recommended approach for installing OMPromises is to use [CocoaPods] package
 manager.
 
 ```bash
-pod 'OMPromises', '~> 0.4.0'
+pod 'OMPromises', '~> 0.4.1'
 ```
 
 If you want to make use of the new HTTP request API you also have to include
@@ -36,7 +36,7 @@ the new subspec. Have a look at the corresponding [header](Classes/HTTP)
 files for more information.
 
 ```bash
-pod 'OMPromises/HTTP', '~> 0.4.0'
+pod 'OMPromises/HTTP', '~> 0.4.1'
 ```
 
 ## Documentation