diff --git a/ses-html.cabal b/ses-html.cabal
--- a/ses-html.cabal
+++ b/ses-html.cabal
@@ -1,5 +1,5 @@
 name:                ses-html
-version:             0.2.0.0
+version:             0.2.0.1
 synopsis:            Send HTML formatted emails using Amazon's SES REST API with blaze
 license:             BSD3
 license-file:        LICENSE
diff --git a/src/Network/SES.hs b/src/Network/SES.hs
--- a/src/Network/SES.hs
+++ b/src/Network/SES.hs
@@ -60,6 +60,7 @@
 -- | The result of invoking an SES action
 data SESResult = Error SESError -- ^ The encapsulated 'SESError'
                | Success        -- ^ A successful email has been sent
+                 deriving Show
 
 ------------------------------------------------------------------------------
 -- | Types for AWS 'Region's