diff --git a/log-elasticsearch.cabal b/log-elasticsearch.cabal
--- a/log-elasticsearch.cabal
+++ b/log-elasticsearch.cabal
@@ -1,5 +1,5 @@
 name:                log-elasticsearch
-version:             0.8
+version:             0.8.1
 synopsis:            Structured logging solution (Elasticsearch back end)
 
 description:         Elasticsearch back end for the 'log' library.
@@ -17,7 +17,7 @@
 category:            System
 build-type:          Simple
 cabal-version:       >=1.10
-tested-with:         GHC == 7.8.4, GHC == 7.10.3, GHC == 8.0.1
+tested-with:         GHC == 7.8.4, GHC == 7.10.3, GHC == 8.0.2
 
 Source-repository head
   Type:     git
diff --git a/src/Log/Backend/ElasticSearch/Internal.hs b/src/Log/Backend/ElasticSearch/Internal.hs
--- a/src/Log/Backend/ElasticSearch/Internal.hs
+++ b/src/Log/Backend/ElasticSearch/Internal.hs
@@ -1,4 +1,9 @@
-module Log.Backend.ElasticSearch.Internal where
+module Log.Backend.ElasticSearch.Internal
+  (ElasticSearchConfig(..)
+  ,defaultElasticSearchConfig
+  ,EsUsername(..)
+  ,EsPassword(..))
+where
 
 import Database.Bloodhound hiding (Status)
 import Prelude