diff --git a/.appveyor.yml b/.appveyor.yml
index b243215d..0a75762b 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -35,9 +35,9 @@ test_script:
 
 - cmd: >-
 
-    vcupgrade.exe -nologo -overwrite cryptlib.vcxproj
+#    vcupgrade.exe -nologo -overwrite cryptlib.vcxproj
     
-    vcupgrade.exe -nologo -overwrite cryptest.vcxproj
+#    vcupgrade.exe -nologo -overwrite cryptest.vcxproj
 
     msbuild /t:Build cryptlib.vcxproj