diff --git a/Adjust.podspec b/Adjust.podspec
index ea5be490c..70a30868c 100644
--- a/Adjust.podspec
+++ b/Adjust.podspec
@@ -1,11 +1,11 @@
 Pod::Spec.new do |s|
   s.name           = "Adjust"
-  s.version        = "4.0.4"
+  s.version        = "4.0.5"
   s.summary        = "This is the iOS SDK of adjust. You can read more about it at http://adjust.com."
   s.homepage       = "http://adjust.com"
   s.license        = { :type => 'MIT', :file => 'MIT-LICENSE' }
   s.author         = { "Christian Wellenbrock" => "welle@adjust.com" }
-  s.source         = { :git => "https://github.com/adjust/ios_sdk.git", :tag => "v4.0.4" }
+  s.source         = { :git => "https://github.com/adjust/ios_sdk.git", :tag => "v4.0.5" }
   s.platform       = :ios, '4.3'
   s.framework      = 'SystemConfiguration'
   s.weak_framework = 'AdSupport', 'iAd'
diff --git a/Adjust.xcodeproj/project.pbxproj b/Adjust.xcodeproj/project.pbxproj
index 760dbccf3..42c3b9288 100644
--- a/Adjust.xcodeproj/project.pbxproj
+++ b/Adjust.xcodeproj/project.pbxproj
@@ -24,6 +24,8 @@
 		9679922518BBAE2800394606 /* libAdjust.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 9679920D18BBAE2800394606 /* libAdjust.a */; };
 		969952CF1A012F5300928462 /* ADJAttributionHandler.m in Sources */ = {isa = PBXBuildFile; fileRef = 969952CE1A012F5300928462 /* ADJAttributionHandler.m */; };
 		969952D21A01309200928462 /* ADJAttribution.m in Sources */ = {isa = PBXBuildFile; fileRef = 969952D11A01309200928462 /* ADJAttribution.m */; };
+		96C0EFE01A3EF47A00B39F31 /* NSString+ADJAdditions.m in Sources */ = {isa = PBXBuildFile; fileRef = 96CD2BDD1A13BFC600A40AFB /* NSString+ADJAdditions.m */; };
+		96C0EFE11A3EF47A00B39F31 /* UIDevice+ADJAdditions.m in Sources */ = {isa = PBXBuildFile; fileRef = 96CD2BDF1A13BFC600A40AFB /* UIDevice+ADJAdditions.m */; };
 		96CD2BE01A13BFC600A40AFB /* NSString+ADJAdditions.m in Sources */ = {isa = PBXBuildFile; fileRef = 96CD2BDD1A13BFC600A40AFB /* NSString+ADJAdditions.m */; };
 		96CD2BE11A13BFC600A40AFB /* UIDevice+ADJAdditions.m in Sources */ = {isa = PBXBuildFile; fileRef = 96CD2BDF1A13BFC600A40AFB /* UIDevice+ADJAdditions.m */; };
 		96E5E38118BBB48A008E7B30 /* Adjust.m in Sources */ = {isa = PBXBuildFile; fileRef = 96E5E34D18BBB48A008E7B30 /* Adjust.m */; };
@@ -423,6 +425,8 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				96C0EFE01A3EF47A00B39F31 /* NSString+ADJAdditions.m in Sources */,
+				96C0EFE11A3EF47A00B39F31 /* UIDevice+ADJAdditions.m in Sources */,
 				96E5E38118BBB48A008E7B30 /* Adjust.m in Sources */,
 				96E5E38B18BBB48A008E7B30 /* ADJActivityHandler.m in Sources */,
 				96E5E39618BBB48A008E7B30 /* ADJRequestHandler.m in Sources */,
diff --git a/Adjust/ADJUtil.m b/Adjust/ADJUtil.m
index 4a7fb6eb6..c7bb1472f 100644
--- a/Adjust/ADJUtil.m
+++ b/Adjust/ADJUtil.m
@@ -16,7 +16,7 @@
 #include <sys/xattr.h>
 
 static NSString * const kBaseUrl   = @"https://app.adjust.com";
-static NSString * const kClientSdk = @"ios4.0.4";
+static NSString * const kClientSdk = @"ios4.0.5";
 
 static NSString * const kDateFormat = @"yyyy-MM-dd'T'HH:mm:ss.SSS'Z'Z";
 static NSDateFormatter *dateFormat;
diff --git a/AdjustTests/ADJActivityHandlerTests.m b/AdjustTests/ADJActivityHandlerTests.m
index 060fd3639..e316340f5 100644
--- a/AdjustTests/ADJActivityHandlerTests.m
+++ b/AdjustTests/ADJActivityHandlerTests.m
@@ -123,7 +123,7 @@ - (void)testFirstRun
     ADJActivityPackage *activityPackage = (ADJActivityPackage *) self.packageHandlerMock.packageQueue[0];
 
     //  check the Sdk version is being tested
-    XCTAssertEqual(@"ios4.0.4", activityPackage.clientSdk, @"%@", activityPackage.extendedString);
+    XCTAssertEqual(@"ios4.0.5", activityPackage.clientSdk, @"%@", activityPackage.extendedString);
 
     // check the server url
     XCTAssertEqual(@"https://app.adjust.com", ADJUtil.baseUrl);
diff --git a/README.md b/README.md
index 335d782e1..af8fc6eb9 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ If you're using [CocoaPods][cocoapods], you can add the following line to your
 `Podfile` and continue with [step 3](#step3):
 
 ```ruby
-pod 'Adjust', :git => 'git://github.com/adjust/ios_sdk.git', :tag => 'v4.0.4'
+pod 'Adjust', :git => 'git://github.com/adjust/ios_sdk.git', :tag => 'v4.0.5'
 ```
 
 ### 1. Get the SDK
diff --git a/VERSION b/VERSION
index c5106e6d1..7636e7565 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.0.4
+4.0.5
diff --git a/doc/migrate.md b/doc/migrate.md
index dd21e6590..cc53d2343 100644
--- a/doc/migrate.md
+++ b/doc/migrate.md
@@ -1,4 +1,4 @@
-## Migrate your adjust SDK for iOS to v4.0.4 from v3.4.0
+## Migrate your adjust SDK for iOS to v4.0.5 from v3.4.0
 
 ### Initial setup