diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+2.2.0
+-----
+- Various fixes to dependency version bounds
+
 2.1.0
 -----
 * Restored original `AsJSON` and `_JSON` typing
@@ -33,4 +37,3 @@
 0.1
 ---
 * Repository initialized
-
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -2,7 +2,6 @@
 ===============
 
 [![Build Status](https://travis-ci.org/fosskers/microlens-aeson.svg?branch=master)](https://travis-ci.org/fosskers/microlens-aeson)
-[![Coverage Status](https://coveralls.io/repos/github/fosskers/microlens-aeson/badge.svg?branch=master)](https://coveralls.io/github/fosskers/microlens-aeson?branch=master)
 [![Hackage](https://img.shields.io/hackage/v/microlens-aeson.svg?style=flat)](https://hackage.haskell.org/package/microlens-aeson)
 [![Stackage Nightly](http://stackage.org/package/microlens-aeson/badge/nightly)](http://stackage.org/nightly/package/microlens-aeson)
 [![Stackage LTS](http://stackage.org/package/microlens-aeson/badge/lts)](http://stackage.org/lts/package/microlens-aeson)
diff --git a/microlens-aeson.cabal b/microlens-aeson.cabal
--- a/microlens-aeson.cabal
+++ b/microlens-aeson.cabal
@@ -1,6 +1,6 @@
 name:          microlens-aeson
 category:      Numeric
-version:       2.1.1.3
+version:       2.2.0
 license:       MIT
 cabal-version: >= 1.8
 license-file:  LICENSE
@@ -35,7 +35,7 @@
   build-depends:
                   aeson                >= 0.7.0.5   && < 1.2
                 , attoparsec           >= 0.10      && < 0.14
-                , base                 >= 4.5       && < 5
+                , base                 >= 4.8       && < 5
                 , bytestring           >= 0.9       && < 0.11
                 , microlens            >= 0.3       && < 0.5
                 , scientific           >= 0.3.2     && < 0.4