diff --git a/ASValueTrackingSlider/ASValuePopUpView.h b/ASValueTrackingSlider/ASValuePopUpView.h
index fa31193..88c49bf 100644
--- a/ASValueTrackingSlider/ASValuePopUpView.h
+++ b/ASValueTrackingSlider/ASValuePopUpView.h
@@ -45,6 +45,6 @@
 - (CGSize)popUpSizeForString:(NSString *)string;
 
 - (void)showAnimated:(BOOL)animated;
-- (void)hideAnimated:(BOOL)animated completionBlock:(void (^)())block;
+- (void)hideAnimated:(BOOL)animated completionBlock:(void (^)(void))block;
 
 @end
diff --git a/ASValueTrackingSlider/ASValuePopUpView.m b/ASValueTrackingSlider/ASValuePopUpView.m
index f8617cc..dd41155 100644
--- a/ASValueTrackingSlider/ASValuePopUpView.m
+++ b/ASValueTrackingSlider/ASValuePopUpView.m
@@ -245,7 +245,7 @@ - (void)showAnimated:(BOOL)animated
     } [CATransaction commit];
 }
 
-- (void)hideAnimated:(BOOL)animated completionBlock:(void (^)())block
+- (void)hideAnimated:(BOOL)animated completionBlock:(void (^)(void))block
 {
     [CATransaction begin]; {
         [CATransaction setCompletionBlock:^{
diff --git a/Example/ValueTrackingSlider.xcodeproj/project.pbxproj b/Example/ValueTrackingSlider.xcodeproj/project.pbxproj
index 1604777..6c20052 100644
--- a/Example/ValueTrackingSlider.xcodeproj/project.pbxproj
+++ b/Example/ValueTrackingSlider.xcodeproj/project.pbxproj
@@ -179,7 +179,7 @@
 			isa = PBXProject;
 			attributes = {
 				CLASSPREFIX = AS;
-				LastUpgradeCheck = 0800;
+				LastUpgradeCheck = 0940;
 				ORGANIZATIONNAME = "Alan Skipp";
 				TargetAttributes = {
 					E742B0821812EC4E005B188F = {
@@ -264,14 +264,22 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -308,14 +316,22 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;