diff --git a/dev-haskell/gtk2hs-buildtools/gtk2hs-buildtools-0.12.5.1-r1.ebuild b/dev-haskell/gtk2hs-buildtools/gtk2hs-buildtools-0.12.5.1-r1.ebuild
index e02a12f61da48..d5b5ecabd77b7 100644
--- a/dev-haskell/gtk2hs-buildtools/gtk2hs-buildtools-0.12.5.1-r1.ebuild
+++ b/dev-haskell/gtk2hs-buildtools/gtk2hs-buildtools-0.12.5.1-r1.ebuild
@@ -23,6 +23,7 @@ DEPEND="${RDEPEND}
 	dev-haskell/alex
 	>=dev-haskell/cabal-1.8
 	dev-haskell/happy
+	dev-haskell/hashtables
 	dev-haskell/random
 	>=dev-lang/ghc-6.10.4
 "