diff --git a/sv2v.cabal b/sv2v.cabal
index 3016285..59634e4 100644
--- a/sv2v.cabal
+++ b/sv2v.cabal
@@ -25,7 +25,7 @@ executable sv2v
   hs-source-dirs: src
   build-tool-depends:
     , alex:alex >= 3.2 && < 4
-    , happy:happy >= 1.19 && < 2
+    , happy:happy >= 1.19 && < 3
   build-depends:
     , array
     , base