diff --git a/aws-cloudfront-signed-cookies.cabal b/aws-cloudfront-signed-cookies.cabal
--- a/aws-cloudfront-signed-cookies.cabal
+++ b/aws-cloudfront-signed-cookies.cabal
@@ -1,5 +1,5 @@
 name: aws-cloudfront-signed-cookies
-version: 0.2.0.0
+version: 0.2.0.1
 
 synopsis: Generate signed cookies for AWS CloudFront
 category: Network, AWS, Cloud
@@ -19,8 +19,11 @@
 build-type: Simple
 cabal-version: >= 1.10
 
+tested-with: GHC==8.6.3, GHC==8.4.4, GHC==8.2.2
+
 extra-source-files:
     readme.md
+  , changelog.md
 
 source-repository head
   type: git
diff --git a/changelog.md b/changelog.md
new file mode 100644
--- /dev/null
+++ b/changelog.md
@@ -0,0 +1,10 @@
+# Changelog
+
+## 0.2.0.0 - 2018-04-13
+
+- Start of changelog
+
+## 0.2.0.1 - 2019-06-17
+
+- Relaxed a test case to accommodate a change
+  in the error message output from Aeson.
diff --git a/test/hedgehog.hs b/test/hedgehog.hs
--- a/test/hedgehog.hs
+++ b/test/hedgehog.hs
@@ -6,6 +6,7 @@
 
 -- base
 import Control.Monad (unless)
+import Data.Either (isLeft)
 import Data.Foldable (for_)
 import qualified System.Exit as Exit
 import qualified System.IO   as IO
@@ -91,4 +92,4 @@
       |]
 
   in
-    jsonTextPolicy x === Left "Error in $: not enough input"
+    assert (isLeft (jsonTextPolicy x))