diff --git a/APNGKit.podspec b/APNGKit.podspec
index 71fe002..d991726 100644
--- a/APNGKit.podspec
+++ b/APNGKit.podspec
@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name         = "APNGKit"
-  s.version      = "0.4.0"
+  s.version      = "0.4.1"
   s.summary      = "High performance and delightful way to play with APNG format in iOS."
 
   s.description  = <<-DESC
diff --git a/APNGKit.xcodeproj/project.pbxproj b/APNGKit.xcodeproj/project.pbxproj
index 24a5f2d..9039505 100644
--- a/APNGKit.xcodeproj/project.pbxproj
+++ b/APNGKit.xcodeproj/project.pbxproj
@@ -825,7 +825,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
-				CURRENT_PROJECT_VERSION = 168;
+				CURRENT_PROJECT_VERSION = 171;
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
@@ -875,7 +875,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
-				CURRENT_PROJECT_VERSION = 168;
+				CURRENT_PROJECT_VERSION = 171;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
@@ -905,7 +905,7 @@
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
-				DYLIB_CURRENT_VERSION = 168;
+				DYLIB_CURRENT_VERSION = 171;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = APNGKit/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
@@ -926,7 +926,7 @@
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "";
 				DEFINES_MODULE = YES;
 				DYLIB_COMPATIBILITY_VERSION = 1;
-				DYLIB_CURRENT_VERSION = 168;
+				DYLIB_CURRENT_VERSION = 171;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = APNGKit/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
diff --git a/APNGKit/Info.plist b/APNGKit/Info.plist
index 5075b75..0c18268 100644
--- a/APNGKit/Info.plist
+++ b/APNGKit/Info.plist
@@ -15,11 +15,11 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.4.0</string>
+	<string>0.4.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>168</string>
+	<string>171</string>
 	<key>NSPrincipalClass</key>
 	<string></string>
 </dict>
diff --git a/APNGKitDemo/Info.plist b/APNGKitDemo/Info.plist
index 9e6de13..36bda5b 100644
--- a/APNGKitDemo/Info.plist
+++ b/APNGKitDemo/Info.plist
@@ -15,11 +15,11 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.4.0</string>
+	<string>0.4.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>168</string>
+	<string>171</string>
 	<key>InitImages</key>
 	<array>
 		<dict>
diff --git a/APNGKitDemoTests/Info.plist b/APNGKitDemoTests/Info.plist
index 877d9c5..2d3402a 100644
--- a/APNGKitDemoTests/Info.plist
+++ b/APNGKitDemoTests/Info.plist
@@ -15,10 +15,10 @@
 	<key>CFBundlePackageType</key>
 	<string>BNDL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.4.0</string>
+	<string>0.4.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>168</string>
+	<string>171</string>
 </dict>
 </plist>
diff --git a/APNGKitDemoUITests/Info.plist b/APNGKitDemoUITests/Info.plist
index 877d9c5..2d3402a 100644
--- a/APNGKitDemoUITests/Info.plist
+++ b/APNGKitDemoUITests/Info.plist
@@ -15,10 +15,10 @@
 	<key>CFBundlePackageType</key>
 	<string>BNDL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.4.0</string>
+	<string>0.4.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>168</string>
+	<string>171</string>
 </dict>
 </plist>
diff --git a/APNGKitTests/Info.plist b/APNGKitTests/Info.plist
index 877d9c5..2d3402a 100644
--- a/APNGKitTests/Info.plist
+++ b/APNGKitTests/Info.plist
@@ -15,10 +15,10 @@
 	<key>CFBundlePackageType</key>
 	<string>BNDL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.4.0</string>
+	<string>0.4.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>168</string>
+	<string>171</string>
 </dict>
 </plist>