diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,6 @@
+0.2.3.2
+* Broaden dep on base.
+
 0.2.3.1
 * Add `relativeRef` quasi-quoter.
 
diff --git a/uri-bytestring.cabal b/uri-bytestring.cabal
--- a/uri-bytestring.cabal
+++ b/uri-bytestring.cabal
@@ -1,5 +1,5 @@
 name:                uri-bytestring
-version:             0.2.3.1
+version:             0.2.3.2
 synopsis:            Haskell URI parsing as ByteStrings
 description: uri-bytestring aims to be an RFC3986 compliant URI parser that uses efficient ByteStrings for parsing and representing the URI data.
 license:             BSD3
@@ -16,6 +16,7 @@
 Tested-With:         GHC == 7.6.3
                    , GHC == 7.8.4
                    , GHC == 7.10.1
+                   , GHC == 8.0.2
 extra-source-files:
   README.md
   CONTRIBUTING.md
@@ -38,7 +39,7 @@
   build-depends:
 
       attoparsec       >= 0.12    && < 0.14
-    , base             >= 4.6     && < 4.10
+    , base             >= 4.6     && < 5
     , bytestring       >= 0.9.1   && < 0.11
     , blaze-builder    >= 0.3.0.0 && < 0.5
     , template-haskell >= 2.9     && < 2.12