diff --git a/dom-parser.cabal b/dom-parser.cabal
--- a/dom-parser.cabal
+++ b/dom-parser.cabal
@@ -1,5 +1,5 @@
 name:                dom-parser
-version:             0.1.0
+version:             0.1.1
 synopsis:            Simple monadic DOM parser
 license:             MIT
 license-file:        LICENSE
@@ -38,12 +38,12 @@
   build-depends:       base >= 4.7 && < 5
                      , lens
                      , mtl
-                     , open-union
+                     , open-union >= 0.2
                      , semigroups
                      , shakespeare
                      , text
                      , transformers
-                     , type-fun
+                     , type-fun >= 0.1.1
                      , xml-conduit
                      , xml-lens
   exposed-modules: Text.XML.DOM.Parser