diff --git a/simtreelo.cabal b/simtreelo.cabal
--- a/simtreelo.cabal
+++ b/simtreelo.cabal
@@ -3,7 +3,7 @@
 
 -- The name of the package.
 name:                simtreelo
-version:             0.1.1.2
+version:             0.1.1.3
 synopsis:            Loader for data organized in a tree
 description:         This library loads a string or file into a Tree. The hierarchy is given solely by the indentation, meaning that the input is human-readable.
 license:             GPL-3
@@ -14,10 +14,10 @@
 category:            Data
 build-type:          Simple
 extra-doc-files:     README.md, simtreelo.5
-cabal-version:       >=1.18
+cabal-version:       1.18
 
 library
-  build-depends:       base >=4.8 && <4.11, containers
+  build-depends:       base >=4.8 && <4.12, containers
   exposed-modules:     Data.Simtreelo
   default-extensions:  DoAndIfThenElse, FlexibleInstances
   default-language:    Haskell2010