diff --git a/mqtt-hs.cabal b/mqtt-hs.cabal
--- a/mqtt-hs.cabal
+++ b/mqtt-hs.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                mqtt-hs
-version:             1.0.0
+version:             1.0.1
 synopsis:            A MQTT client library.
 homepage:            http://github.com/k00mi/mqtt-hs
 license:             GPL-3
@@ -33,7 +33,7 @@
                        bytestring >=0.10.2 && <0.11,
                        text >=0.11.0.6 && <1.3,
                        network >=2.0 && <2.7,
-                       singletons >=0.9 && < 2.2,
+                       singletons >=0.9 && < 2.3,
                        stm >=2.4 && <2.5,
                        monad-loops >=0.3 && <0.5
   default-language:    Haskell2010