diff --git a/persistent-postgresql.cabal b/persistent-postgresql.cabal
--- a/persistent-postgresql.cabal
+++ b/persistent-postgresql.cabal
@@ -1,5 +1,5 @@
 name:            persistent-postgresql
-version:         1.3.1.2
+version:         1.3.1.3
 license:         MIT
 license-file:    LICENSE
 author:          Felipe Lessa, Michael Snoyman <michael@snoyman.com>
@@ -16,7 +16,7 @@
 library
     build-depends:   base                  >= 4        && < 5
                    , transformers          >= 0.2.1
-                   , postgresql-simple     >= 0.3.10   && < 0.5
+                   , postgresql-simple     >= 0.4.0    && < 0.5
                    , postgresql-libpq      >= 0.6.1    && < 0.10
                    , persistent            >= 1.3      && < 1.4
                    , containers            >= 0.2