diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 ChangeLog
 
+v0.3.0.3 2016/07/27
+	(2016/07/27) PS1 - relaxed package dependencies to accommodate
+	older versions of ghc and base.
+
 v0.3.0.2 2015/08/15
 	(2015/08/15) PS1 - relaxed dependencies.
 	(2015/08/15) PS1 - added IncoherentInstances to
diff --git a/newsynth.cabal b/newsynth.cabal
--- a/newsynth.cabal
+++ b/newsynth.cabal
@@ -7,7 +7,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.3.0.2
+version:             0.3.0.3
 
 -- A short (one-line) description of the package.
 synopsis:            Exact and approximate synthesis of quantum circuits
@@ -60,7 +60,7 @@
 maintainer:          selinger@mathstat.dal.ca
 
 -- A copyright notice.
-copyright:           Copyright (c) 2012-2015 Neil J. Ross and Peter Selinger
+copyright:           Copyright (c) 2012-2016 Neil J. Ross and Peter Selinger
 
 -- A classification category for future use by the package catalogue
 -- Hackage. These categories have not yet been specified, but the
@@ -85,11 +85,11 @@
   -- other-modules:       
   
   -- Other library packages from which modules are imported.
-  build-depends:       base >= 4.6 && < 5, random >= 1.0, fixedprec >= 0.2.2, superdoc >= 0.1, containers >= 0.5
+  build-depends:       base >= 4.5 && < 5, random >= 1.0, fixedprec >= 0.2.2, superdoc >= 0.1, containers >= 0.5
 
   -- Additional options for GHC when the package is built with
   -- profiling enabled.
-  ghc-prof-options:    -prof
+  ghc-prof-options:
 
 executable gridsynth
   -- .hs or .lhs file containing the Main module.
@@ -102,4 +102,4 @@
   other-modules:       CommandLine
   
   -- Other library packages from which modules are imported.
-  build-depends:       base >= 4.6 && < 5, random >= 1.0, time >= 1.4, superdoc >= 0.1, newsynth
+  build-depends:       base >= 4.5 && < 5, random >= 1.0, time >= 1.4, superdoc >= 0.1, newsynth