diff --git a/pkgs/development/haskell-modules/configuration-ghc-9.6.x.nix b/pkgs/development/haskell-modules/configuration-ghc-9.6.x.nix
index a44b3e79a23d..f6265fefb5db 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-9.6.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-9.6.x.nix
@@ -262,7 +262,7 @@ self: super: {
   }) super.ConfigFile;
 
   # The curl executable is required for withApplication tests.
-  warp_3_3_28 = addTestToolDepend pkgs.curl super.warp_3_3_28;
+  warp_3_3_29 = addTestToolDepend pkgs.curl super.warp_3_3_29;
 
   # The NCG backend for aarch64 generates invalid jumps in some situations,
   # the workaround on 9.6 is to revert to the LLVM backend (which is used