diff --git a/CMakeLists.txt b/CMakeLists.txt
index 577000a..759e35b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -58,6 +58,10 @@ elseif(UNIX)
   set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--build-id")
 endif()
 
+if (MSVC)
+  add_compile_options(/wd4146 -D_CRT_SECURE_NO_WARNINGS)
+endif()
+
 enable_testing()
 add_library(descriptor_upbproto INTERFACE)
 add_library(upb
