diff --git a/AsyncDisplayKit.xcodeproj/project.pbxproj b/AsyncDisplayKit.xcodeproj/project.pbxproj
index 539dcd48..b72cef02 100644
--- a/AsyncDisplayKit.xcodeproj/project.pbxproj
+++ b/AsyncDisplayKit.xcodeproj/project.pbxproj
@@ -898,6 +898,8 @@
 				DSTROOT = /tmp/AsyncDisplayKit.dst;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "AsyncDisplayKit/AsyncDisplayKit-Prefix.pch";
+				GCC_TREAT_WARNINGS_AS_ERRORS = YES;
+				OTHER_CFLAGS = "-Wall";
 				OTHER_LDFLAGS = "-ObjC";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PUBLIC_HEADERS_FOLDER_PATH = "include/$(TARGET_NAME)";
@@ -911,6 +913,8 @@
 				DSTROOT = /tmp/AsyncDisplayKit.dst;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "AsyncDisplayKit/AsyncDisplayKit-Prefix.pch";
+				GCC_TREAT_WARNINGS_AS_ERRORS = YES;
+				OTHER_CFLAGS = "-Wall";
 				OTHER_LDFLAGS = "-ObjC";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PUBLIC_HEADERS_FOLDER_PATH = "include/$(TARGET_NAME)";