diff --git a/modules/plugins/languages/haskell.nix b/modules/plugins/languages/haskell.nix
index 90cc2d38..2ea05fd8 100644
--- a/modules/plugins/languages/haskell.nix
+++ b/modules/plugins/languages/haskell.nix
@@ -98,6 +98,7 @@ in {
 
     (mkIf cfg.extensions.haskell-tools.enable {
       vim = {
+        extraPackages = [haskellPackages.cabal-fmt];
         startPlugins = ["haskell-tools-nvim"];
         luaConfigRC.haskell-tools-nvim = entryAfter ["lsp-servers"] ''
           vim.g.haskell_tools = {
diff --git a/modules/plugins/lsp/presets/haskell-language-server.nix b/modules/plugins/lsp/presets/haskell-language-server.nix
index a9ed0980..cd63e086 100644
--- a/modules/plugins/lsp/presets/haskell-language-server.nix
+++ b/modules/plugins/lsp/presets/haskell-language-server.nix
@@ -15,6 +15,7 @@ in {
   };
 
   config = mkIf cfg.enable {
+    vim.extraPackages = [pkgs.haskellPackages.cabal-fmt];
     vim.lsp.servers.haskell-language-server = {
       enable = true;
       cmd = [(getExe' pkgs.haskellPackages.haskell-language-server "haskell-language-server-wrapper") "--lsp"];