diff --git a/servant-auth-token-leveldb.cabal b/servant-auth-token-leveldb.cabal
--- a/servant-auth-token-leveldb.cabal
+++ b/servant-auth-token-leveldb.cabal
@@ -1,5 +1,5 @@
 name:                servant-auth-token-leveldb
-version:             0.4.2.0
+version:             0.4.2.1
 synopsis:            Leveldb backend for servant-auth-token server
 description:         Please see README.md
 homepage:            https://github.com/ncrashed/servant-auth-token#readme
@@ -36,7 +36,7 @@
     , safecopy-store          >= 0.9    && < 0.10
     , servant-auth-token      >= 0.4    && < 0.5
     , servant-auth-token-api  >= 0.4    && < 0.5
-    , servant-server          >= 0.9    && < 0.10
+    , servant-server          >= 0.9    && < 0.12
     , store                   >= 0.3    && < 0.5
     , text                    >= 1.2    && < 1.3
     , time                    >= 1.5    && < 1.7