diff --git a/polysoup.cabal b/polysoup.cabal
--- a/polysoup.cabal
+++ b/polysoup.cabal
@@ -1,5 +1,5 @@
 name:               polysoup
-version:            0.5.0
+version:            0.5.1
 synopsis:           Online XML parsing with polyparse and tagsoup
 description:
     The library provides combinators for lazy, incremental XML parsing.
@@ -28,7 +28,7 @@
     build-depends:
         base            >= 4        && < 5
       , containers      >= 0.4      && < 0.6
-      , tagsoup         >= 0.13     && < 0.14
+      , tagsoup         >= 0.12     && < 0.14
       , polyparse       >= 1.9      && < 1.10
 
     exposed-modules: