diff --git a/pg-harness-server.cabal b/pg-harness-server.cabal
--- a/pg-harness-server.cabal
+++ b/pg-harness-server.cabal
@@ -1,5 +1,5 @@
 Name:                pg-harness-server
-Version:             0.5.1
+Version:             0.6.0
 Synopsis:            REST service for creating temporary PostgreSQL databases
 Description:
   REST service for conveniently creating temporary PostgreSQL databases
@@ -28,8 +28,8 @@
   Ghc-options:       -Wall
   Build-depends:     base == 4.*
                    , async >= 2.0.1.5 && < 3
-                   , ini >= 0.2 && < 0.3
-                   , postgresql-simple >= 0.4.2 && < 0.5
+                   , ini >= 0.3 && < 0.4
+                   , postgresql-simple >= 0.6 && < 0.7
                    , random >= 1.0 && < 1.2
                    , scotty >= 0.11.0 && < 0.12
                    , text >= 1.1.0 && < 2