diff --git a/flake.lock b/flake.lock
index 78a5bd8..d931e59 100644
--- a/flake.lock
+++ b/flake.lock
@@ -22,11 +22,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1776169885,
-        "narHash": "sha256-l/iNYDZ4bGOAFQY2q8y5OAfBBtrDAaPuRQqWaFHVRXM=",
+        "lastModified": 1777954456,
+        "narHash": "sha256-hGdgeU2Nk87RAuZyYjyDjFL6LK7dAZN5RE9+hrDTkDU=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "4bd9165a9165d7b5e33ae57f3eecbcb28fb231c9",
+        "rev": "549bd84d6279f9852cae6225e372cc67fb91a4c1",
         "type": "github"
       },
       "original": {
@@ -55,26 +55,27 @@
     "plugins-r": {
       "flake": false,
       "locked": {
-        "lastModified": 1776340770,
-        "narHash": "sha256-o/8UZIc/Bq9dWTjA+MpSR5uMUpE7KHTErk+TwWID8Ww=",
+        "lastModified": 1776905071,
+        "narHash": "sha256-dXox6qEs1VDE7vPNDoN8bY4g06uj1IEs6uki72w8lpA=",
         "owner": "R-nvim",
         "repo": "R.nvim",
-        "rev": "b9cfffeb9b4e484aa9e13f01c0eb80230aada455",
+        "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": {
@@ -101,11 +102,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1776375800,
-        "narHash": "sha256-/SSAR77Brr9fbapsh1cb2K47JXCbvwS1GjM4yyDxle8=",
+        "lastModified": 1777991014,
+        "narHash": "sha256-0DS24OW9d9iz+w0LCz6KpS2IpE2z2gHxeBdMZg9xpDY=",
         "owner": "BirdeeHub",
         "repo": "nix-wrapper-modules",
-        "rev": "f11469ca69068bac13d9e163b2bd268cc06dff57",
+        "rev": "dc5184095ad488e937ec308b52c9c0b218959d8b",
         "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 = {