diff --git a/SWMMoutGetMB.cabal b/SWMMoutGetMB.cabal
--- a/SWMMoutGetMB.cabal
+++ b/SWMMoutGetMB.cabal
@@ -10,7 +10,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.1.1.0
+version:             0.1.1.1
 
 -- A short (one-line) description of the package.
 synopsis:            A parser for SWMM 5 binary .OUT files
@@ -66,6 +66,9 @@
                        binary >= 0.7,
                        bytestring >= 0.10,
                        data-binary-ieee754 >= 0.4,
+                       pipes-binary >= 0.4,
+                       pipes-bytestring >= 2.1,
+                       pipes-parse >= 3.0,
                        split >= 0.2
   
   -- Directories containing source files.