diff --git a/haskell/haskell-citeproc-hs/citeproc-hs_cabal.patch b/haskell/haskell-citeproc-hs/citeproc-hs_cabal.patch
new file mode 100644
index 0000000000..cbc2401ade
--- /dev/null
+++ b/haskell/haskell-citeproc-hs/citeproc-hs_cabal.patch
@@ -0,0 +1,15 @@
+--- citeproc-hs.cabal~	2013-01-23 15:06:35.000000000 +0200
++++ citeproc-hs.cabal	2013-02-25 19:39:32.000000000 +0200
+@@ -125,10 +125,12 @@
+ 
+     if flag(hexpat)
+        build-depends: hexpat >= 0.20.2
++       extensions:    CPP
+        exposed-modules:  Text.CSL.Pickle.Hexpat
+        cpp-options:   -DUSE_HEXPAT
+     else
+        build-depends: xml
++       extensions:    CPP
+        exposed-modules:  Text.CSL.Pickle.Xml
+ 
+     if flag(embed_data_files)
diff --git a/haskell/haskell-citeproc-hs/haskell-citeproc-hs.SlackBuild b/haskell/haskell-citeproc-hs/haskell-citeproc-hs.SlackBuild
index 5eccd8f360..7187971ffe 100644
--- a/haskell/haskell-citeproc-hs/haskell-citeproc-hs.SlackBuild
+++ b/haskell/haskell-citeproc-hs/haskell-citeproc-hs.SlackBuild
@@ -3,7 +3,7 @@
 # Slackware build script for citeproc-hs
 
 # Written by Peter Wang (novalazy@gmail.com)
-# Copyright 2012 Mikko Värri, Finland
+# Copyright 2013 Mikko Värri, Finland
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification, is
@@ -24,7 +24,7 @@
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=haskell-citeproc-hs
-VERSION=${VERSION:-0.3.4}
+VERSION=${VERSION:-0.3.7}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
@@ -74,6 +74,9 @@ find . \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;
 
+# Fix compilation which is missing a CPP pass
+patch -p0 <$CWD/citeproc-hs_cabal.patch
+
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
 runghc Setup configure \
diff --git a/haskell/haskell-citeproc-hs/haskell-citeproc-hs.info b/haskell/haskell-citeproc-hs/haskell-citeproc-hs.info
index 38e9114b63..bb99af3eff 100644
--- a/haskell/haskell-citeproc-hs/haskell-citeproc-hs.info
+++ b/haskell/haskell-citeproc-hs/haskell-citeproc-hs.info
@@ -1,8 +1,8 @@
 PRGNAM="haskell-citeproc-hs"
-VERSION="0.3.4"
+VERSION="0.3.7"
 HOMEPAGE="http://gorgias.mine.nu/repos/citeproc-hs/"
-DOWNLOAD="http://hackage.haskell.org/packages/archive/citeproc-hs/0.3.4/citeproc-hs-0.3.4.tar.gz"
-MD5SUM="3891e64c624454721c7da17b12cd2158"
+DOWNLOAD="http://hackage.haskell.org/packages/archive/citeproc-hs/0.3.7/citeproc-hs-0.3.7.tar.gz"
+MD5SUM="11add895d1ae41b27dabcaebc0da409c"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES="haskell-json haskell-pandoc-types haskell-parsec haskell-utf8-string haskell-xml"
diff --git a/haskell/haskell-citeproc-hs/slack-desc b/haskell/haskell-citeproc-hs/slack-desc
index 6e07e940e9..545c84a4d6 100644
--- a/haskell/haskell-citeproc-hs/slack-desc
+++ b/haskell/haskell-citeproc-hs/slack-desc
@@ -1,9 +1,9 @@
 # HOW TO EDIT THIS FILE:
-# The "handy ruler" below makes it easier to edit a package description.  Line
-# up the first '|' above the ':' following the base package name, and the '|'
-# on the right side marks the last column you can put a character in.  You must
-# make exactly 11 lines for the formatting to be correct.  It's also
-# customary to leave one space after the ':'.
+# The "handy ruler" below makes it easier to edit a package description.
+# Line up the first '|' above the ':' following the base package name, and
+# the '|' on the right side marks the last column you can put a character in.
+# You must make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':' except on otherwise blank lines.
 
                    |-----handy-ruler------------------------------------------------------|
 haskell-citeproc-hs: haskell-citeproc-hs (implementation of the Citation Style Language)