diff --git a/lutin/target/lutinTarget_IOs.py b/lutin/target/lutinTarget_IOs.py
index f184a64..ae3514f 100644
--- a/lutin/target/lutinTarget_IOs.py
+++ b/lutin/target/lutinTarget_IOs.py
@@ -54,11 +54,11 @@ class Target(target.Target):
 		self.suffix_binary=''
 		self.suffix_package=''
 		if self.sumulator == True:
-			self.sysroot = "-isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator8.1.sdk"
+			self.sysroot = "-isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator8.3.sdk"
 			self.global_flags_ld.append("-mios-simulator-version-min=8.0")
 			self.global_flags_cc.append("-mios-simulator-version-min=8.0")
 		else:
-			self.sysroot = "-isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS8.1.sdk"
+			self.sysroot = "-isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS8.3.sdk"
 			self.global_flags_ld.append("-miphoneos-version-min=8.0")
 			self.global_flags_cc.append("-miphoneos-version-min=8.0")
 
diff --git a/setup.py b/setup.py
index 608a1bd..ae8f6ff 100755
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@ def readme():
 
 # https://pypi.python.org/pypi?%3Aaction=list_classifiers
 setup(name='lutin',
-      version='0.5.6',
+      version='0.5.7',
       description='Lutin generic builder',
       long_description=readme(),
       url='http://github.com/HeeroYui/lutin',