"ghc --make site.hs" encounter error

[luckypoem]

hi.

root@AR:/usr/local/chromaticleaves-site# ls
404.html css images posts slides
about.markdown dist index.html README.md templates
chromaticleaves.cabal explore js scores
commands.markdown foundation LICENSE site.hs
root@AR:/usr/local/chromaticleaves-site# ghc --make site.hs
[1 of 1] Compiling Main ( site.hs, site.o )

site.hs:223:29:
Couldn't match expected type ‘time-1.5.0.1:Data.Time.Format.Locale.TimeLocale’
with actual type ‘System.Locale.TimeLocale’
NB: ‘time-1.5.0.1:Data.Time.Format.Locale.TimeLocale’
is defined in ‘Data.Time.Format.Locale’ in package ‘time-1.5.0.1’
‘System.Locale.TimeLocale’
is defined in ‘System.Locale’ in package ‘old-locale-1.0.0.7’
In the first argument of ‘formatTime’, namely ‘defaultTimeLocale’
In the first argument of ‘(<$>)’, namely
‘formatTime defaultTimeLocale "%Y"’
root@AR:/usr/local/chromaticleaves-site#

how to fix it?
thank u