1 files changed, 1 insertions, 0 deletions

diff --git a/gf.cabal b/gf.cabal
index 2172b4560..deb64faa8 100644
--- a/gf.cabal
+++ b/gf.cabal
@@ -49,6 +49,7 @@ library
     PGF.Generate
     PGF.Linearize
     PGF.Parse
+    PGF.SortTop
     PGF.Expr
     PGF.Type
     PGF.Tree