diff --git a/runtime/lua/vim/lsp/protocol.lua b/runtime/lua/vim/lsp/protocol.lua
index 537a5eda39..31cc071d18 100644
--- a/runtime/lua/vim/lsp/protocol.lua
+++ b/runtime/lua/vim/lsp/protocol.lua
@@ -828,6 +828,7 @@ function protocol.make_client_capabilities()
             return res
           end)(),
         },
+        dataSupport = true,
       },
       callHierarchy = {
         dynamicRegistration = false,