diff --git a/cmake/config.cmake b/cmake/config.cmake
index 37e3414a..bca382b4 100644
--- a/cmake/config.cmake
+++ b/cmake/config.cmake
@@ -13,6 +13,10 @@ if (NOT NO_ISA_EXTENSIONS)
             set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native")
         endif()
     endif()
+    if(WIN32)
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:AVX2")
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /arch:AVX2")
+    endif()
 endif()
 
 if(CMAKE_SYSTEM_NAME STREQUAL "Linux" AND NOT LEGACY)