diff --git a/gnu/packages/haskell-xyz.scm b/gnu/packages/haskell-xyz.scm
index e6c4291f81d..f630911f6d8 100644
--- a/gnu/packages/haskell-xyz.scm
+++ b/gnu/packages/haskell-xyz.scm
@@ -9755,6 +9755,7 @@ API.")
         (base32
          "1dx3nkc27yxsrbrhh3iwhq7dl1xn6bj7n62yx6nh8vmpbg62lqvl"))))
     (build-system haskell-build-system)
+    (outputs '("out" "static" "doc"))
     (inputs
      `(("ghc-base-orphans" ,ghc-base-orphans)
        ("ghc-bifunctors" ,ghc-bifunctors)