diff --git a/wai-middleware-metrics.cabal b/wai-middleware-metrics.cabal
--- a/wai-middleware-metrics.cabal
+++ b/wai-middleware-metrics.cabal
@@ -1,5 +1,5 @@
 name:                wai-middleware-metrics
-version:             0.2.3
+version:             0.2.4
 synopsis:            A WAI middleware to collect EKG request metrics
 description:         This WAI middleware counts the number of requests, the number of responses by status code and keeps a latency distribution.
                      .
@@ -14,7 +14,7 @@
 category:            Web
 build-type:          Simple
 cabal-version:       >=1.10
-Tested-with:         GHC == 7.6.2, GHC == 7.6.3, GHC == 7.8.1, GHC == 7.8.2, GHC == 7.8.3, GHC == 7.8.4, GHC == 7.10.1, GHC == 7.10.2
+Tested-with:         GHC == 7.6.2, GHC == 7.6.3, GHC == 7.8.1, GHC == 7.8.2, GHC == 7.8.3, GHC == 7.8.4, GHC == 7.10.1, GHC == 7.10.2, GHC == 8.0.2
 
 library
   exposed-modules:     Network.Wai.Metrics