diff --git a/YogaKit/YogaKit.xcodeproj/project.pbxproj b/YogaKit/YogaKit.xcodeproj/project.pbxproj
index 53edb680..a9d07c20 100644
--- a/YogaKit/YogaKit.xcodeproj/project.pbxproj
+++ b/YogaKit/YogaKit.xcodeproj/project.pbxproj
@@ -564,7 +564,7 @@
 				"ARCHS[sdk=macosx*]" = x86_64;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
-				CLANG_CXX_LANGUAGE_STANDARD = "gnu++17";
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
@@ -641,7 +641,7 @@
 				"ARCHS[sdk=macosx*]" = x86_64;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
-				CLANG_CXX_LANGUAGE_STANDARD = "gnu++17";
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;