diff --git a/packages/rn-tester/RNTesterPods.xcodeproj/project.pbxproj b/packages/rn-tester/RNTesterPods.xcodeproj/project.pbxproj
index 79be5f03f94d2a..eefa354bdf849d 100644
--- a/packages/rn-tester/RNTesterPods.xcodeproj/project.pbxproj
+++ b/packages/rn-tester/RNTesterPods.xcodeproj/project.pbxproj
@@ -1496,7 +1496,7 @@
 			baseConfigurationReference = 9F29408327A999D200AB150A /* Debug-iOS.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
-				CLANG_CXX_LANGUAGE_STANDARD = "c++14";
+				CLANG_CXX_LANGUAGE_STANDARD = "c++17";
 				CODE_SIGN_ENTITLEMENTS = RNTester/RNTester.entitlements;
 				DEVELOPMENT_TEAM = UBF8T346G9;
 				INFOPLIST_FILE = "$(SRCROOT)/RNTester/Info.plist";
@@ -1539,7 +1539,7 @@
 			buildSettings = {
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
-				CLANG_CXX_LANGUAGE_STANDARD = "c++14";
+				CLANG_CXX_LANGUAGE_STANDARD = "c++17";
 				CODE_SIGN_ENTITLEMENTS = RNTester/RNTester.entitlements;
 				DEVELOPMENT_TEAM = UBF8T346G9;
 				INFOPLIST_FILE = "$(SRCROOT)/RNTester/Info.plist";