diff --git a/seacat.cabal b/seacat.cabal
--- a/seacat.cabal
+++ b/seacat.cabal
@@ -10,7 +10,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             1.0.0.2
+version:             1.0.0.3
 
 -- A short (one-line) description of the package.
 synopsis:            Small web framework using Warp and WAI
@@ -87,7 +87,7 @@
                      , mime-types >=0.1 && <0.2
                      , MissingH >=1.2 && <1.3
                      , monad-control >=0.3 && <0.4
-                     , mtl >=2.1 && <2.2
+                     , mtl >=2.2 && <2.3
                      , network >=2.5 && <2.6
                      , persistent >=1.3 && <1.4
                      , persistent-postgresql >=1.3 && <1.4