diff --git a/hakyll-R.cabal b/hakyll-R.cabal
--- a/hakyll-R.cabal
+++ b/hakyll-R.cabal
@@ -1,7 +1,7 @@
 name:                hakyll-R
-version:             0.1.0.2
-synopsis:            A module allowing to write Hakyll blog posts in Rmd 
-description:         This package declares a Compiler for Rmd posts, which allows to include R code in Rmd and have them rendered (for example as plots).
+version:             0.1.0.3
+synopsis:            A package allowing to write Hakyll blog posts in Rmd
+description:         This package allows to write blog posts for Hakyll in R-markdown. The R code inside the markdown will be rendered and inserted in the blog post, for example as a plot.
 license:             BSD3 
 author:              Corentin Dupont
 maintainer:          corentin.dupont@gmail.com
@@ -11,12 +11,12 @@
 
 library
   exposed-modules: Hakyll.Web.R    
-  build-depends: base >=4.7 && <4.8,
-                 hakyll -any,
-                 process -any,
-                 filepath -any,
-                 pandoc -any,
-                 directory -any
+  build-depends: base ==4.*,
+                 hakyll >=4.5 && <4.8,
+                 process ==1.2.*,
+                 filepath ==1.3.*,
+                 pandoc ==1.13.* && <1.16,
+                 directory ==1.2.*
   hs-source-dirs: src
   ghc-options: -Wall -threaded
   default-language: Haskell2010