diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2012-2015 Simon Hengel <sol@typeful.net>
+Copyright (c) 2012-2018 Simon Hengel <sol@typeful.net>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/nanospec.cabal b/nanospec.cabal
--- a/nanospec.cabal
+++ b/nanospec.cabal
@@ -1,45 +1,54 @@
+-- This file has been generated from package.yaml by hpack version 0.21.2.
+--
+-- see: https://github.com/sol/hpack
+--
+-- hash: 37c5f592f7cb57ed5e2959180e54db9807aa3b62fa5002be553465d680c4f35c
+
 name:             nanospec
-version:          0.2.1
+version:          0.2.2
 license:          MIT
 license-file:     LICENSE
-copyright:        (c) 2012-2015 Simon Hengel
+copyright:        (c) 2012-2018 Simon Hengel
 author:           Simon Hengel <sol@typeful.net>
 maintainer:       Simon Hengel <sol@typeful.net>
 category:         Testing
+homepage:         https://github.com/hspec/nanospec#readme
+bug-reports:      https://github.com/hspec/nanospec/issues
 synopsis:         A lightweight implementation of a subset of Hspec's API
-description:      A lightweight implementation of a subset of Hspec's API with
-                  minimal dependencies.
+description:      A lightweight implementation of a subset of Hspec's API with minimal dependencies.
 build-type:       Simple
-cabal-version:    >= 1.8
+cabal-version:    >= 1.10
 
 source-repository head
   type: git
   location: https://github.com/hspec/nanospec
 
 library
-  exposed:
-      False
-  ghc-options:
-      -Wall
+  exposed: False
+  ghc-options: -Wall
   hs-source-dirs:
       src
   exposed-modules:
       Test.Hspec
+  other-modules:
+      Paths_nanospec
   build-depends:
-      base >= 4 && <= 5
+      base ==4.*
+  default-language: Haskell2010
 
 test-suite spec
-  type:
-      exitcode-stdio-1.0
-  cpp-options:
-      -DTEST
-  ghc-options:
-      -Wall
+  type: exitcode-stdio-1.0
+  cpp-options: -DTEST
+  ghc-options: -Wall
   hs-source-dirs:
-      src, test
-  main-is:
-      Test/HspecSpec.hs
+      src
+      test
+  main-is: Test/HspecSpec.hs
+  other-modules:
+      Test.Hspec
+      Paths_nanospec
   build-depends:
-      base
-    , hspec >= 1.3
-    , silently >= 1.2.4
+      base ==4.*
+    , hspec >=1.3
+    , silently >=1.2.4
+  default-language: Haskell2010
diff --git a/src/Test/Hspec.hs b/src/Test/Hspec.hs
--- a/src/Test/Hspec.hs
+++ b/src/Test/Hspec.hs
@@ -77,7 +77,12 @@
 
 instance Monoid Summary where
   mempty = Summary 0 0
+#if !MIN_VERSION_base(4,11,0)
   (Summary x1 x2) `mappend` (Summary y1 y2) = Summary (x1 + y1) (x2 + y2)
+#else
+instance Semigroup Summary where
+  (Summary x1 x2) <> (Summary y1 y2) = Summary (x1 + y1) (x2 + y2)
+#endif
 
 runSpec :: Spec -> IO Summary
 runSpec = runForrest []