diff --git a/Data/Aeson/Types/Internal.hs b/Data/Aeson/Types/Internal.hs
--- a/Data/Aeson/Types/Internal.hs
+++ b/Data/Aeson/Types/Internal.hs
@@ -91,7 +91,7 @@
 #endif
 
 #if !MIN_VERSION_unordered_containers(0,2,6)
-import Data.List (foldl', sort)
+import Data.List (sort)
 #endif
 
 -- | Elements of a JSON path used to describe the location of an
@@ -607,6 +607,7 @@
 -- , 'allNullaryToStringTag'   = True
 -- , 'omitNothingFields'       = False
 -- , 'sumEncoding'             = 'defaultTaggedObject'
+-- , 'unwrapUnaryRecords'      = False
 -- }
 -- @
 defaultOptions :: Options
diff --git a/aeson.cabal b/aeson.cabal
--- a/aeson.cabal
+++ b/aeson.cabal
@@ -1,5 +1,5 @@
 name:            aeson
-version:         0.11.1.1
+version:         0.11.1.2
 license:         BSD3
 license-file:    LICENSE
 category:        Text, Web, JSON
diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,10 @@
 For the latest version of this document, please see [https://github.com/bos/aeson/blob/master/changelog.md](https://github.com/bos/aeson/blob/master/changelog.md).
 
+#### 0.11.1.2
+
+* Fix build with `base < 4.8` and `unordered-containers < 0.2.6`.
+* Add missing field in docs for `defaultOptions`.
+
 #### 0.11.1.1
 
 * Fixes a bug where the hashes of equal values could differ.