diff --git a/json-stream.cabal b/json-stream.cabal
--- a/json-stream.cabal
+++ b/json-stream.cabal
@@ -1,5 +1,5 @@
 name:                json-stream
-version:             0.4.2.0
+version:             0.4.2.1
 synopsis:            Incremental applicative JSON parser
 description:         Easy to use JSON parser fully supporting incremental parsing.
                      Parsing grammar in applicative form.
@@ -38,7 +38,7 @@
   c-sources:           c_lib/lexer.c, c_lib/unescape_string.c
   includes:            c_lib/lexer.h
   include-dirs:        c_lib
-  build-depends:         base >=4.7 && <4.11
+  build-depends:         base >=4.7 && <5
                        , bytestring
                        , text
                        , aeson >= 0.7