diff --git a/bower.json b/bower.json
index ae41f4ae..9138d9d4 100644
--- a/bower.json
+++ b/bower.json
@@ -25,7 +25,8 @@
     "purescript-functions": "^3.0.0",
     "purescript-lists": "^4.0.0",
     "purescript-st": "^3.0.0",
-    "purescript-gen": "^1.1.0"
+    "purescript-gen": "^1.1.0",
+    "purescript-foldable-traversable": "^3.4.0"
   },
   "devDependencies": {
     "purescript-quickcheck": "^4.0.0",