diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+1.0.4
+=====
+* Fix Stackage build.
+
 1.0.3
 =====
 * Bump protolude version
diff --git a/eventsource-geteventstore-store.cabal b/eventsource-geteventstore-store.cabal
--- a/eventsource-geteventstore-store.cabal
+++ b/eventsource-geteventstore-store.cabal
@@ -3,7 +3,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           eventsource-geteventstore-store
-version:        1.0.3
+version:        1.0.4
 synopsis:       GetEventStore store implementation.
 description:    GetEventStore store implementation.
 category:       Eventsourcing
diff --git a/library/EventSource/Store/GetEventStore.hs b/library/EventSource/Store/GetEventStore.hs
--- a/library/EventSource/Store/GetEventStore.hs
+++ b/library/EventSource/Store/GetEventStore.hs
@@ -21,7 +21,6 @@
 --------------------------------------------------------------------------------
 import           Protolude
 import           Data.Aeson
-import           Data.Aeson.Types
 import qualified Database.EventStore as GES
 import           EventSource
 
@@ -117,10 +116,6 @@
   ReadFailure $ ReadError e
 fromGesReadResult (GES.ReadAccessDenied _) =
   ReadFailure AccessDenied
-
---------------------------------------------------------------------------------
-defaultBatchSize :: Int32
-defaultBatchSize = 500
 
 --------------------------------------------------------------------------------
 toGESStreamName :: StreamName -> GES.StreamName
diff --git a/package.yaml b/package.yaml
--- a/package.yaml
+++ b/package.yaml
@@ -45,4 +45,4 @@
     - -with-rtsopts=-N
     main: Main.hs
     source-dirs: test-suite
-version: '1.0.3'
+version: '1.0.4'