diff --git a/haskell-platform.spec b/haskell-platform.spec
index 018d603..89c129a 100644
--- a/haskell-platform.spec
+++ b/haskell-platform.spec
@@ -27,7 +27,7 @@ distilled from Hackage.
 %{?2}Requires:       ghc-haskell-src%{?1:-%1} = 1.0.1.4\
 %{?2}Requires:       ghc-html%{?1:-%1} = 1.0.1.2\
 %{?2}Requires:       ghc-HUnit%{?1:-%1} = 1.2.2.1\
-%{?2}Requires:       ghc-mtl%{?1:-%1} = 1.1.0.2\
+%{?2}Requires:       ghc-mtl%{?1:-%1} = 2.0.1.0\
 %{?2}Requires:       ghc-network%{?1:-%1} = 2.2.1.7\
 %{?2}Requires:       ghc-OpenGL%{?1:-%1} = 2.2.3.0\
 %{?2}Requires:       ghc-parallel%{?1:-%1} = 3.1.0.1\