1 files changed, 3 insertions, 1 deletions
diff --git a/gf.cabal b/gf.cabal
index da54010d1..3c3687de2 100644
--- a/gf.cabal
+++ b/gf.cabal
@@ -81,7 +81,9 @@ library
     mtl >= 2.2.1 && < 2.3,
     pretty >= 1.1.3 && < 1.2,
     random >= 1.1 && < 1.3,
-    utf8-string >= 1.0.1.1 && < 1.1
+    utf8-string >= 1.0.1.1 && < 1.1,
+    -- We need this in order for ghc-7.10 to build
+    transformers-compat >= 0.6.3 && < 0.7
 
   if impl(ghc<8.0)
     build-depends: