1 files changed, 1 insertions, 0 deletions
diff --git a/gf.cabal b/gf.cabal
index a0fb968eb..014a2feea 100644
--- a/gf.cabal
+++ b/gf.cabal
@@ -82,6 +82,7 @@ Library
                  pretty,
                  mtl,
                  exceptions,
+                 fail,
                  ghc-prim
   hs-source-dirs: src/runtime/haskell