diff --git a/changelog b/changelog
--- a/changelog
+++ b/changelog
@@ -1,5 +1,8 @@
 -*-change-log-*-
 
+v0.1.0.1
+ * Fix: Lowering some lower bounds
+
 v0.1
  * Initial release
 
diff --git a/svg-tree.cabal b/svg-tree.cabal
--- a/svg-tree.cabal
+++ b/svg-tree.cabal
@@ -1,5 +1,5 @@
 name:                svg-tree
-version:             0.1
+version:             0.1.0.1
 synopsis:            SVG file loader and serializer
 description:
   svg-tree provides types representing a SVG document,
@@ -29,7 +29,7 @@
 Source-Repository this
     Type:      git
     Location:  git://github.com/Twinside/svg-tree.git
-    Tag:       v0.1
+    Tag:       v0.1.0.1
 
 library
   hs-source-dirs: src
@@ -54,9 +54,9 @@
                , xml        >= 1.3
                , bytestring >= 0.10
                , linear     >= 1.16
-               , transformers >= 0.4
                , vector     >= 0.10
                , text       >= 1.2
-               , mtl        >= 2.2
-               , lens       >= 4.7
+               , transformers >= 0.3 && < 0.5
+               , mtl        >= 2.1 && < 2.3
+               , lens       >= 4.6 && < 4.8