diff --git a/hjsonschema.cabal b/hjsonschema.cabal
--- a/hjsonschema.cabal
+++ b/hjsonschema.cabal
@@ -1,5 +1,5 @@
 name:                   hjsonschema
-version:                0.5.3.0
+version:                0.5.3.1
 synopsis:               JSON Schema Draft 4 library
 homepage:               https://github.com/seagreen/hjsonschema
 license:                MIT
@@ -27,7 +27,7 @@
   other-extensions:     TemplateHaskell
   ghc-options:          -Wall
   build-depends:        aeson                >= 0.8   && < 0.9
-                      , base                 >= 4.7   && < 4.8
+                      , base                 >= 4.7   && < 4.9
                       , bytestring           >= 0.10  && < 0.11
                       , file-embed           >= 0.0.8 && < 0.0.9
                       , hashable             >= 1.2   && < 1.3