diff --git a/PMHTTP.podspec b/PMHTTP.podspec
index f8435b3..d7aa9ac 100644
--- a/PMHTTP.podspec
+++ b/PMHTTP.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "PMHTTP"
-  s.version      = "4.1.0"
+  s.version      = "4.1.1"
   s.summary      = "Swift/Obj-C HTTP framework with a focus on REST and JSON"
 
   s.description  = <<-DESC
diff --git a/README.md b/README.md
index beb3cbd..b2b789b 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # PMHTTP
 
-[![Version](https://img.shields.io/badge/version-v4.1.0-blue.svg)](https://github.com/postmates/PMHTTP/releases/latest)
+[![Version](https://img.shields.io/badge/version-v4.1.1-blue.svg)](https://github.com/postmates/PMHTTP/releases/latest)
 ![Platforms](https://img.shields.io/badge/platforms-ios%20%7C%20osx%20%7C%20watchos%20%7C%20tvos-lightgrey.svg)
 ![Languages](https://img.shields.io/badge/languages-swift%20%7C%20objc-orange.svg)
 ![License](https://img.shields.io/badge/license-MIT%2FApache-blue.svg)
@@ -410,7 +410,7 @@ work by you shall be dual licensed as above, without any additional terms or con
 
 ## Version History
 
-#### Development
+#### v4.1.1 (2018-06-21)
 
 * Add `HTTPHeaders.merge(_:uniquingKeysWith:)` and `HTTPHeaders.merging(_:uniquingKeysWith:)`.
 * Deprecate `HTTPHeaders.append(contentsOf:)`.
diff --git a/Sources/Info.plist b/Sources/Info.plist
index 5284837..76d0c69 100644
--- a/Sources/Info.plist
+++ b/Sources/Info.plist
@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>4.1.0</string>
+	<string>4.1.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
diff --git a/Tests/Info.plist b/Tests/Info.plist
index 7861e6f..9882aa7 100644
--- a/Tests/Info.plist
+++ b/Tests/Info.plist
@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>BNDL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>4.1.0</string>
+	<string>4.1.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>