diff --git a/mars.cabal b/mars.cabal
--- a/mars.cabal
+++ b/mars.cabal
@@ -10,7 +10,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.1.0.0
+version:             0.1.0.1
 
 -- A short (one-line) description of the package.
 synopsis:            Generates mountainous terrain using a random walk algorithm.
@@ -19,7 +19,7 @@
 description:         
   Provides functions for generating mountain-like terrain structure using a
   random walk algorithm. Inspired by Pickover's 1998 article \"Vacation
-  on Mars\". The data can be output as a ascii-format PLY file, or viewed
+  on Mars\". The data can be output as an ascii-format PLY file, or viewed
   \"overhead\" as an intensity graph. The PLY file can be loaded into a 3D
   modeling program such as Blender.
 
@@ -75,7 +75,7 @@
   build-depends:       base >=4.6 && <4.8
                        , gloss >=1.7 && <1.8
                        , random >=1.0 && <1.1
-                       , MonadRandom >=0.1 && <0.2
+                       , MonadRandom >=0.4 && <0.5
                        , mtl >=2.2 && <2.3
                        , array >=0.4 && <0.5
                        , bytestring >=0.10 && <0.11