diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log
 
+## 0.2.2
+
+* Fixed a test suite failure caused by bleeding edge HLint version.
+
 ## 0.2.1
 
 * Added Dynamo DB table resources (@ababkin)
diff --git a/library/Stratosphere/Check.hs b/library/Stratosphere/Check.hs
--- a/library/Stratosphere/Check.hs
+++ b/library/Stratosphere/Check.hs
@@ -4,8 +4,8 @@
 -- Stability: Experimental
 
 module Stratosphere.Check
-     ( duplicateProperties
-     ) where
+  ( duplicateProperties
+  ) where
 
 import Data.Hashable (Hashable)
 import qualified Data.HashMap.Strict as HM
@@ -14,7 +14,8 @@
 import Stratosphere.Resources (resourceResName, unResources)
 import Stratosphere.Template (Template, templateResources)
 
-data DuplicateProperty = DuplicateProperty T.Text deriving Show
+newtype DuplicateProperty = DuplicateProperty T.Text
+  deriving (Show, Eq)
 
 duplicateProperties :: Template -> [DuplicateProperty]
 duplicateProperties =
diff --git a/stack.yaml b/stack.yaml
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,3 +1,6 @@
-resolver: nightly-2016-09-20
+resolver: nightly-2016-11-23  # Make sure to remove hlint from extra-deps if this changes
 packages:
   - '.'
+extra-deps:
+  # TODO: Remove this once hlint-1.9.38 is in latest nightly
+  - hlint-1.9.38
diff --git a/stratosphere.cabal b/stratosphere.cabal
--- a/stratosphere.cabal
+++ b/stratosphere.cabal
@@ -3,7 +3,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           stratosphere
-version:        0.2.1
+version:        0.2.2
 synopsis:       EDSL for AWS CloudFormation
 description:    EDSL for AWS CloudFormation
 category:       AWS, Cloud