diff --git a/comfort-graph.cabal b/comfort-graph.cabal
--- a/comfort-graph.cabal
+++ b/comfort-graph.cabal
@@ -1,5 +1,5 @@
 Name:                comfort-graph
-Version:             0.0.3
+Version:             0.0.3.1
 Synopsis:            Graph structure with type parameters for nodes and edges
 Description:
   This graph structure is based on "Data.Map"
@@ -51,7 +51,7 @@
 Cabal-Version:       >=1.10
 
 Source-Repository this
-  Tag:         0.0.3
+  Tag:         0.0.3.1
   Type:        darcs
   Location:    http://hub.darcs.net/thielema/comfort-graph
 
@@ -68,7 +68,7 @@
     Data.Graph.Comfort.TotalMap
   Build-Depends:
     QuickCheck >=2.5 && <3,
-    containers >=0.4 && <0.6,
+    containers >=0.4 && <0.7,
     transformers >=0.5 && <0.6,
     semigroups >=0.1 && <1.0,
     utility-ht >=0.0.10 && <0.1,