diff --git a/cmake/modules/CompileWarnings.cmake b/cmake/modules/CompileWarnings.cmake
index 2d49ba9852f..174fdb8d062 100644
--- a/cmake/modules/CompileWarnings.cmake
+++ b/cmake/modules/CompileWarnings.cmake
@@ -5,6 +5,10 @@ macro(wpilib_target_warnings target)
         target_compile_options(${target} PRIVATE /wd4146 /wd4244 /wd4251 /wd4267 /WX /D_CRT_SECURE_NO_WARNINGS ${WPILIB_TARGET_WARNINGS})
     endif()
 
+    if(APPLE)
+        target_compile_options(${target} PRIVATE -Wno-fixed-enum-extension)
+    endif()
+
     # Suppress C++-specific OpenCV warning; C compiler rejects it with an error
     # https://github.com/opencv/opencv/issues/20269
     if(UNIX AND NOT APPLE)