diff --git a/lua/plugin/mason.lua b/lua/plugin/mason.lua
new file mode 100644
index 0000000..12d8f1f
--- /dev/null
+++ b/lua/plugin/mason.lua
@@ -0,0 +1,6 @@
+require("mason").setup({
+    registries = {
+        "github:mason-org/mason-registry",
+        "github:Crashdummyy/mason-registry",
+    },
+})
diff --git a/lua/plugins.lua b/lua/plugins.lua
index c6b8579..6b16a08 100644
--- a/lua/plugins.lua
+++ b/lua/plugins.lua
@@ -60,15 +60,24 @@ require("lazy").setup({
         }
     },
     {
-      'stevearc/oil.nvim',
-      ---@module 'oil'
-      ---@type oil.SetupOpts
-      opts = {},
-      -- Optional dependencies
-      dependencies = { { "echasnovski/mini.icons", opts = {} } },
-      -- dependencies = { "nvim-tree/nvim-web-devicons" }, -- use if you prefer nvim-web-devicons
-      -- Lazy loading is not recommended because it is very tricky to make it work correctly in all situations.
-      lazy = false,
+        "seblyng/roslyn.nvim",
+        ft = "cs",
+        -- @module 'roslyn.config'
+        -- @type RoslynNvimConfig
+        opts = {
+            -- your configuration comes here; leave empty for default settings
+        },
+    },
+    {
+        'stevearc/oil.nvim',
+        ---@module 'oil'
+        ---@type oil.SetupOpts
+        opts = {},
+        -- Optional dependencies
+        dependencies = { { "echasnovski/mini.icons", opts = {} } },
+        -- dependencies = { "nvim-tree/nvim-web-devicons" }, -- use if you prefer nvim-web-devicons
+        -- Lazy loading is not recommended because it is very tricky to make it work correctly in all situations.
+        lazy = false,
     },
     {
         "ThePrimeagen/harpoon",