diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,6 @@
-# Unreleased next version
+# 0.1.1.1
+
+- Support `aeson-2.0.x`.
 
 # 0.1.1.0
 
diff --git a/nri-test-encoding.cabal b/nri-test-encoding.cabal
--- a/nri-test-encoding.cabal
+++ b/nri-test-encoding.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           nri-test-encoding
-version:        0.1.1.0
+version:        0.1.1.1
 synopsis:       A library to simplify writing golden tests for encoding types.
 description:    Please see the README at <https://github.com/NoRedInk/haskell-libraries/tree/trunk/nri-test-encoding#readme>.
 category:       Testing
@@ -31,8 +31,8 @@
   exposed-modules:
       Examples
       Test.Encoding
+      Test.Encoding.Redis
       Test.Encoding.Routes
-      Redis.Test
   other-modules:
       Paths_nri_test_encoding
   hs-source-dirs:
@@ -53,7 +53,7 @@
       TypeOperators
   ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wpartial-fields -Wredundant-constraints -Wincomplete-uni-patterns
   build-depends:
-      aeson >=1.4.6.0 && <1.6
+      aeson >=1.4.6.0 && <2.1
     , aeson-pretty >=0.8.0 && <0.9
     , base >=4.12.0.0 && <4.16
     , bytestring >=0.10.8.2 && <0.12
diff --git a/src/Redis/Test.hs b/src/Redis/Test.hs
deleted file mode 100644
--- a/src/Redis/Test.hs
+++ /dev/null
@@ -1,29 +0,0 @@
--- | Useful to test encoding of data stored in redis.
-module Redis.Test (encoding) where
-
-import Data.Proxy (Proxy (Proxy))
-import qualified Data.Typeable as Typeable
-import qualified Examples
-import NriPrelude
-import Test (Test)
-import qualified Test.Encoding
-import qualified Text
-
--- | Turns a Redis.Api into a test.
--- The test does the following:
---
--- 1. get examples from the `HasExamples` constraint
--- 2. encoded the examples into JSON
--- 3. check the encoded JSON against the generated file
---   NOTE: it will generate the file if it doesn't exist yet
-encoding :: forall m key a. (Typeable.Typeable a, Examples.HasExamples a) => m key a -> Test
-encoding _ =
-  let proxy = Proxy :: Proxy a
-      tyCon =
-        Typeable.typeRep proxy
-          |> Typeable.typeRepTyCon
-      typeName =
-        Typeable.tyConModule tyCon ++ "." ++ Typeable.tyConName tyCon
-          |> Text.fromList
-   in Examples.examples proxy
-        |> Test.Encoding.examplesToTest typeName ("redis-encoding-" ++ typeName)
diff --git a/src/Test/Encoding/Redis.hs b/src/Test/Encoding/Redis.hs
new file mode 100644
--- /dev/null
+++ b/src/Test/Encoding/Redis.hs
@@ -0,0 +1,29 @@
+-- | Useful to test encoding of data stored in redis.
+module Test.Encoding.Redis (test) where
+
+import Data.Proxy (Proxy (Proxy))
+import qualified Data.Typeable as Typeable
+import qualified Examples
+import NriPrelude
+import Test (Test)
+import qualified Test.Encoding
+import qualified Text
+
+-- | Turns a Redis.Api into a test.
+-- The test does the following:
+--
+-- 1. get examples from the `HasExamples` constraint
+-- 2. encoded the examples into JSON
+-- 3. check the encoded JSON against the generated file
+--   NOTE: it will generate the file if it doesn't exist yet
+test :: forall m key a. (Typeable.Typeable a, Examples.HasExamples a) => m key a -> Test
+test _ =
+  let proxy = Proxy :: Proxy a
+      tyCon =
+        Typeable.typeRep proxy
+          |> Typeable.typeRepTyCon
+      typeName =
+        Typeable.tyConModule tyCon ++ "." ++ Typeable.tyConName tyCon
+          |> Text.fromList
+   in Examples.examples proxy
+        |> Test.Encoding.examplesToTest typeName ("redis-encoding-" ++ typeName)