diff --git a/spago.dhall b/spago.dhall
index 54a50f3..6693a60 100644
--- a/spago.dhall
+++ b/spago.dhall
@@ -12,6 +12,7 @@
   , "free"
   , "fuzzy"
   , "homogeneous"
+  , "identity"
   , "integers"
   , "lists"
   , "maybe"