diff --git a/flake.nix b/flake.nix
index ee47825..325db12 100644
--- a/flake.nix
+++ b/flake.nix
@@ -208,12 +208,13 @@
           vscode-langservers-extracted # HTML/CSS/JSON/ESLint
           nodePackages.typescript-language-server
           tailwindcss-language-server
-          pyright
+          python312Packages.python-lsp-server
           rust-analyzer
           marksman # markdown
           taplo # toml
           yaml-language-server
           lemminx # xml
+          ocamlPackages.ocaml-lsp # ocaml
           # Other
           typescript
           nodejs_20
diff --git a/lua/plugins/lsp.lua b/lua/plugins/lsp.lua
index 42e5cf8..2b8e5dd 100644
--- a/lua/plugins/lsp.lua
+++ b/lua/plugins/lsp.lua
@@ -190,8 +190,8 @@ return {
 						},
 					},
 				},
-				pyright = {
-					-- python
+				-- python
+				pylsp = {
 					capabilities = capabilities,
 				},
 				marksman = {
@@ -219,6 +219,10 @@ return {
 					-- xml
 					capabilities = capabilities,
 				},
+				ocamllsp = {
+					-- ocaml
+					capabilities = capabilities,
+				}
 			}
 			if NIX then
 				local lsp_servers = vim.tbl_keys(servers or {})
diff --git a/lua/tools/scratch-files.lua b/lua/tools/scratch-files.lua
index 7a63eba..14a5639 100644
--- a/lua/tools/scratch-files.lua
+++ b/lua/tools/scratch-files.lua
@@ -44,6 +44,7 @@ local extensions = {
 	"tsx",
 	"jsx",
 	"rs",
+	"ml",
 }
 
 local xdg_data_home = os.getenv("XDG_DATA_HOME") or (os.getenv("HOME") .. "/.local/share")