diff --git a/haskell/haskell-transformers-compat/haskell-transformers-compat.SlackBuild b/haskell/haskell-transformers-compat/haskell-transformers-compat.SlackBuild
index 2c1df6bc52..e1b78b2cc1 100644
--- a/haskell/haskell-transformers-compat/haskell-transformers-compat.SlackBuild
+++ b/haskell/haskell-transformers-compat/haskell-transformers-compat.SlackBuild
@@ -23,7 +23,7 @@
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 PRGNAM=haskell-transformers-compat
-VERSION=${VERSION:-0.4.0.4}
+VERSION=${VERSION:-0.5.1.4}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
@@ -81,8 +81,7 @@ runghc Setup configure \
   --libsubdir=ghc-${GHC_VERSION}/$SRCNAM-$VERSION \
   --enable-shared \
   --enable-library-profiling \
-  --docdir=/usr/doc/$PRGNAM-$VERSION \
-  --flags="three"
+  --docdir=/usr/doc/$PRGNAM-$VERSION
 
 runghc Setup build
 runghc Setup haddock
diff --git a/haskell/haskell-transformers-compat/haskell-transformers-compat.info b/haskell/haskell-transformers-compat/haskell-transformers-compat.info
index 8c84cc8a98..9ec62fb13e 100644
--- a/haskell/haskell-transformers-compat/haskell-transformers-compat.info
+++ b/haskell/haskell-transformers-compat/haskell-transformers-compat.info
@@ -1,10 +1,10 @@
 PRGNAM="haskell-transformers-compat"
-VERSION="0.4.0.4"
+VERSION="0.5.1.4"
 HOMEPAGE="http://hackage.haskell.org/package/transformers-compat"
-DOWNLOAD="http://hackage.haskell.org/packages/archive/transformers-compat/0.4.0.4/transformers-compat-0.4.0.4.tar.gz"
-MD5SUM="6fa6c10d0344251ae27fa968036f5ed3"
+DOWNLOAD="http://hackage.haskell.org/packages/archive/transformers-compat/0.5.1.4/transformers-compat-0.5.1.4.tar.gz"
+MD5SUM="ed6f953f227dae242feb847ecd13c4da"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
-REQUIRES="haskell-mtl"
+REQUIRES="ghc"
 MAINTAINER="Mikko Värri"
 EMAIL="vmj@linuxbox.fi"