diff --git a/Formula/f/fourmolu.rb b/Formula/f/fourmolu.rb
index d5cd3ef4aec6be..9afeea2381225c 100644
--- a/Formula/f/fourmolu.rb
+++ b/Formula/f/fourmolu.rb
@@ -18,7 +18,7 @@ class Fourmolu < Formula
   end
 
   depends_on "cabal-install" => :build
-  depends_on "ghc" => :build
+  depends_on "ghc@9.10" => :build
 
   def install
     system "cabal", "v2-update"