diff --git a/Interpolate.podspec b/Interpolate.podspec
index b8428ec..469f9c2 100644
--- a/Interpolate.podspec
+++ b/Interpolate.podspec
@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = "Interpolate"
-  s.version          = "0.3.2"
+  s.version          = "0.4.0"
   s.summary          = "Swift interpolation framework for gesture-driven animations."
 
 # This description is used to generate tags and improve search results.
diff --git a/Interpolate.xcodeproj/project.pbxproj b/Interpolate.xcodeproj/project.pbxproj
index 2b71eed..bb5be8b 100644
--- a/Interpolate.xcodeproj/project.pbxproj
+++ b/Interpolate.xcodeproj/project.pbxproj
@@ -306,7 +306,7 @@
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
-				DYLIB_CURRENT_VERSION = 9;
+				DYLIB_CURRENT_VERSION = 10;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = "Interpolate/Info-tvOS.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
@@ -327,7 +327,7 @@
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
-				DYLIB_CURRENT_VERSION = 9;
+				DYLIB_CURRENT_VERSION = 10;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = "Interpolate/Info-tvOS.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
@@ -363,7 +363,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
-				CURRENT_PROJECT_VERSION = 9;
+				CURRENT_PROJECT_VERSION = 10;
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
@@ -386,7 +386,7 @@
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 3.0.1;
+				SWIFT_VERSION = 3.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -416,7 +416,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
-				CURRENT_PROJECT_VERSION = 9;
+				CURRENT_PROJECT_VERSION = 10;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
@@ -432,7 +432,7 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
-				SWIFT_VERSION = 3.0.1;
+				SWIFT_VERSION = 3.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -447,7 +447,7 @@
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
-				DYLIB_CURRENT_VERSION = 9;
+				DYLIB_CURRENT_VERSION = 10;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = Interpolate/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
@@ -467,7 +467,7 @@
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
-				DYLIB_CURRENT_VERSION = 9;
+				DYLIB_CURRENT_VERSION = 10;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = Interpolate/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
diff --git a/Interpolate/Info-tvOS.plist b/Interpolate/Info-tvOS.plist
index ee27836..fc2b5b7 100644
--- a/Interpolate/Info-tvOS.plist
+++ b/Interpolate/Info-tvOS.plist
@@ -15,11 +15,11 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.3.2</string>
+	<string>0.4.0</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>9</string>
+	<string>10</string>
 	<key>NSPrincipalClass</key>
 	<string></string>
 </dict>
diff --git a/Interpolate/Info.plist b/Interpolate/Info.plist
index ee27836..fc2b5b7 100644
--- a/Interpolate/Info.plist
+++ b/Interpolate/Info.plist
@@ -15,11 +15,11 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.3.2</string>
+	<string>0.4.0</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>9</string>
+	<string>10</string>
 	<key>NSPrincipalClass</key>
 	<string></string>
 </dict>
diff --git a/InterpolateTests/Info.plist b/InterpolateTests/Info.plist
index 10576e5..07606ba 100644
--- a/InterpolateTests/Info.plist
+++ b/InterpolateTests/Info.plist
@@ -15,10 +15,10 @@
 	<key>CFBundlePackageType</key>
 	<string>BNDL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.3.2</string>
+	<string>0.4.0</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>9</string>
+	<string>10</string>
 </dict>
 </plist>
diff --git a/README.md b/README.md
index 2c3c9b2..af0966b 100644
--- a/README.md
+++ b/README.md
@@ -126,7 +126,7 @@ In fact, you can easily create and use your own interpolation function - all you
 ### Setting up with [CocoaPods](http://cocoapods.org/?q=Interpolate)
 ```ruby
 source 'https://github.com/CocoaPods/Specs.git'
-pod 'Interpolate', '~> 0.3'
+pod 'Interpolate', '~> 0.4'
 ```
 
 ### Setting up with Carthage