diff --git a/Makefile.msvc b/Makefile.msvc
index 2e022a47..64af1c12 100644
--- a/Makefile.msvc
+++ b/Makefile.msvc
@@ -101,6 +101,8 @@ CC_VERS_NUM = 80
 CC_VERS_NUM = 80
 !ELSEIF "$(_NMAKE_VER)" == "8.00.50727.762"
 CC_VERS_NUM = 80
+!ELSEIF "$(_NMAKE_VER)" == "9.00.20706.01"
+CC_VERS_NUM = 90
 !ELSEIF "$(_NMAKE_VER)" == "9.00.21022.08"
 CC_VERS_NUM = 90
 !ELSEIF "$(_NMAKE_VER)" == "9.00.30729.01"
@@ -109,6 +111,8 @@ CC_VERS_NUM = 90
 CC_VERS_NUM = 100
 !ELSEIF "$(_NMAKE_VER)" == "10.00.21003.01"
 CC_VERS_NUM = 100
+!ELSEIF "$(_NMAKE_VER)" == "10.00.30128.01"
+CC_VERS_NUM = 100
 !ELSEIF "$(_NMAKE_VER)" == "10.00.30319.01"
 CC_VERS_NUM = 100
 !ELSE