diff --git a/universe-instances-trans.cabal b/universe-instances-trans.cabal
--- a/universe-instances-trans.cabal
+++ b/universe-instances-trans.cabal
@@ -1,5 +1,5 @@
 name:                universe-instances-trans
-version:             1.0
+version:             1.0.0.1
 synopsis:            Universe instances for types from the transformers and mtl packages
 homepage:            https://github.com/dmwit/universe
 license:             BSD3
@@ -16,13 +16,13 @@
 source-repository this
     type:            git
     location:        https://github.com/dmwit/universe
-    tag:             1.0
+    tag:             1.0.0.1
 
 library
   exposed-modules:     Data.Universe.Instances.Trans
   build-depends:       base                    >=4   && <5  ,
-                       mtl                     >=1.0 && <2.2,
-                       transformers            >=0.2 && <0.4,
+                       mtl                     >=1.0 && <2.3,
+                       transformers            >=0.2 && <0.5,
                        universe-base           >=1.0 && <1.1,
                        universe-instances-base >=1.0 && <1.1
   default-language:    Haskell2010