diff --git a/tools/mkspecs/iphonedevice-g++42/qmake.conf b/tools/mkspecs/iphonedevice-g++42/qmake.conf
index cac71b9496..b5c687e3f1 100644
--- a/tools/mkspecs/iphonedevice-g++42/qmake.conf
+++ b/tools/mkspecs/iphonedevice-g++42/qmake.conf
@@ -6,7 +6,7 @@
 # to include /Developer/Platforms/iPhoneOS.platform/Developer/usr/bin
 # where gcc an all tools are actually resides 
 
-IPHONE_SDK_PATH           = /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.2.sdk
+IPHONE_SDK_PATH           = /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk
 DEVICE_ARCH               = armv6
 DEVICE_ARCH2              = armv7
 
diff --git a/tools/mkspecs/iphonesimulator-g++42/qmake.conf b/tools/mkspecs/iphonesimulator-g++42/qmake.conf
index ddf50165b7..dbc2f4fd20 100644
--- a/tools/mkspecs/iphonesimulator-g++42/qmake.conf
+++ b/tools/mkspecs/iphonesimulator-g++42/qmake.conf
@@ -6,7 +6,7 @@
 # to include /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin
 # where gcc an all tools are actually resides 
 
-IPHONE_SDK_PATH           = /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.2.sdk
+IPHONE_SDK_PATH           = /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.3.sdk
 
 MAKEFILE_GENERATOR        = UNIX
 TEMPLATE                  = app