diff --git a/appveyor.yml b/appveyor.yml
index aae49e8..f685024 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -22,7 +22,7 @@ install:
   - cmd: cd ..
   - cmd: set PATH=%cd%\gdisk\;%PATH%
   # mkisofs,zip,ImageMagick
-  - cmd: C:\cygwin\setup-x86.exe --no-replaceonreboot --no-shortcuts --quiet-mode --root c:\cygwin --packages mkisofs,genisoimage,zip,ImageMagick,xorg-server-extra
+  - cmd: C:\cygwin\setup-x86.exe --no-replaceonreboot --no-shortcuts --quiet-mode --root c:\cygwin --packages mkisofs,genisoimage,zip,ImageMagick,xorg-server-extra,datefudge
   - cmd: C:\cygwin\bin\find C:\cygwin -iname "import*"
   - cmd: C:\cygwin\bin\find C:\cygwin -iname "convert*"
   # mtools