diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix
index 466db68e2497..097946690447 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix
@@ -111,6 +111,9 @@ self: super: {
     ghc-prim = self.hashable;
   };
 
+  # Doesn't build with 9.0, see https://github.com/yi-editor/yi/issues/1125
+  yi-core = doDistribute (markUnbroken super.yi-core);
+
   # Temporarily disabled blaze-textual for GHC >= 9.0 causing hackage2nix ignoring it
   # https://github.com/paul-rouse/mysql-simple/blob/872604f87044ff6d1a240d9819a16c2bdf4ed8f5/Database/MySQL/Internal/Blaze.hs#L4-L10
   mysql-simple = addBuildDepends [
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2075d14826ae..aefa4d2fe484 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11579,7 +11579,9 @@ with pkgs;
   yggdrasil = callPackage ../tools/networking/yggdrasil { };
 
   # To expose more packages for Yi, override the extraPackages arg.
-  yi = callPackage ../applications/editors/yi/wrapper.nix { };
+  yi = callPackage ../applications/editors/yi/wrapper.nix {
+    haskellPackages = haskell.packages.ghc8107;
+  };
 
   yj = callPackage ../development/tools/yj { };