diff --git a/flake.lock b/flake.lock
index d0cee4d..d931e59 100644
--- a/flake.lock
+++ b/flake.lock
@@ -55,26 +55,27 @@
     "plugins-r": {
       "flake": false,
       "locked": {
-        "lastModified": 1777892669,
-        "narHash": "sha256-FXA1td1E4/Hz7uwvYxvbxDSwOeDPEsP+PD0vO6FQkIU=",
+        "lastModified": 1776905071,
+        "narHash": "sha256-dXox6qEs1VDE7vPNDoN8bY4g06uj1IEs6uki72w8lpA=",
         "owner": "R-nvim",
         "repo": "R.nvim",
-        "rev": "09d63401160d202f96630f24febffbb29c71732e",
+        "rev": "582f2af11290ac067e49018db38e12a511325556",
         "type": "github"
       },
       "original": {
         "owner": "R-nvim",
+        "ref": "v0.99.4",
         "repo": "R.nvim",
         "type": "github"
       }
     },
     "rixpkgs": {
       "locked": {
-        "lastModified": 1771303851,
-        "narHash": "sha256-tgveHozOJ2D/mi3LxVy/FcmLFDlM5XKZxsNB2XpvzaM=",
+        "lastModified": 1778115084,
+        "narHash": "sha256-K+Rz+pghAmynE83+e9svnNYsDgPnbEohrcPb6duG5wM=",
         "owner": "dwinkler1",
         "repo": "rixpkgs",
-        "rev": "af2dd3f7b4b172077747c0869d4e30702fb71b0e",
+        "rev": "028af91e9161008fce750f3e249afe471a302037",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 6dc8545..8482605 100644
--- a/flake.nix
+++ b/flake.nix
@@ -20,7 +20,7 @@
     };
 
     "plugins-r" = {
-      url = "github:R-nvim/R.nvim";
+      url = "github:R-nvim/R.nvim/v0.99.4";
       flake = false;
     };
 
@@ -59,6 +59,7 @@
             broom
             data_table
             janitor
+            languageserver
             styler
           ];
           julia = ["DataFramesMeta" "QuackIO"];
diff --git a/plugin/25_lsp.lua b/plugin/25_lsp.lua
index 8c67295..9591da3 100644
--- a/plugin/25_lsp.lua
+++ b/plugin/25_lsp.lua
@@ -15,17 +15,17 @@ now_if_args(function()
     marksman = {
       filetypes = { "markdown", "markdown_inline", "codecompanion" },
     },
-    -- r_language_server = {
-    --   filetypes = { 'r', 'rmd', 'rmarkdown' },
-    --   settings = {
-    --     ['r_language_server'] = {
-    --       lsp = {
-    --         rich_documentation = true,
-    --         enable = true,
-    --       },
-    --     },
-    --   }
-    -- },
+    r_language_server = {
+      filetypes = { 'r', 'rmd', 'rmarkdown' },
+      settings = {
+        ['r_language_server'] = {
+          lsp = {
+            rich_documentation = true,
+            enable = true,
+          },
+        },
+      }
+    },
     julials = {
       settings = {
         julia = {