diff --git a/servant-aeson-specs.cabal b/servant-aeson-specs.cabal
--- a/servant-aeson-specs.cabal
+++ b/servant-aeson-specs.cabal
@@ -3,7 +3,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           servant-aeson-specs
-version:        0.4
+version:        0.4.1
 synopsis:       generic tests for aeson serialization in servant
 description:    tests for aeson serialization in servant
 category:       Web
@@ -29,7 +29,7 @@
     , bytestring
     , hspec
     , QuickCheck
-    , servant == 0.4.* || == 0.5.*
+    , servant == 0.4.* || == 0.5.* || == 0.6.* || == 0.7.* || == 0.8.*
     , directory
     , filepath
     , random
@@ -55,7 +55,7 @@
     , bytestring
     , hspec
     , QuickCheck
-    , servant == 0.4.* || == 0.5.*
+    , servant == 0.4.* || == 0.5.* || == 0.6.* || == 0.7.* || == 0.8.*
     , directory
     , filepath
     , random