diff --git a/nvim/lua/plugins/lsp/mason.lua b/nvim/lua/plugins/lsp/mason.lua
index 5332e24..a840a3f 100755
--- a/nvim/lua/plugins/lsp/mason.lua
+++ b/nvim/lua/plugins/lsp/mason.lua
@@ -33,6 +33,7 @@ return {
 				"gh_actions_ls",
 				"gopls",
 				"html",
+                "haskell_language_server",
 				"hls",
 				"hyprls",
 				"jdtls",
diff --git a/nvim/lua/plugins/util/treesitter.lua b/nvim/lua/plugins/util/treesitter.lua
index 87a52b0..f9cc974 100755
--- a/nvim/lua/plugins/util/treesitter.lua
+++ b/nvim/lua/plugins/util/treesitter.lua
@@ -12,6 +12,7 @@ return {
                 "c",
                 "cpp",
                 "css",
+                "haskell",
                 "html",
                 "hyprlang",
                 "java",