diff --git a/bookkeeping.cabal b/bookkeeping.cabal
--- a/bookkeeping.cabal
+++ b/bookkeeping.cabal
@@ -1,5 +1,5 @@
 name:                bookkeeping
-version:             0.2.1.1
+version:             0.2.1.4
 synopsis:            A module for bookkeeping by double entry.
 description:
     A module for bookkeeping by double entry. This module provides a way to do bookkeeping programmatically.
@@ -17,11 +17,11 @@
 library
   hs-source-dirs:      src
   exposed-modules:     Business.Bookkeeping
-  build-depends:       base >= 4.9 && < 4.10
+  build-depends:       base >= 4.9 && < 5
                      , dlist >= 0.8.0.2 && < 0.9
                      , mtl >= 2.2.1 && < 2.3
                      , text >= 1.2.2.1 && < 1.3
-                     , time >= 1.6.0.1 && < 1.7
+                     , time >= 1.6
   default-language:    Haskell2010
   default-extensions:  OverloadedStrings
                      , RecordWildCards