diff --git a/desloppify/languages/r/__init__.py b/desloppify/languages/r/__init__.py
index 39677c7c..2c4ccfe8 100644
--- a/desloppify/languages/r/__init__.py
+++ b/desloppify/languages/r/__init__.py
@@ -1,4 +1,4 @@
-"""R language plugin — lintr + tree-sitter."""
+"""R language plugin — Jarl, lintr + tree-sitter."""
 
 from desloppify.languages._framework.generic_support.core import generic_lang
 from desloppify.languages._framework.treesitter import R_SPEC
@@ -7,6 +7,14 @@
     name="r",
     extensions=[".R", ".r"],
     tools=[
+        {
+            "label": "jarl",
+            "cmd": "jarl check .",
+            "fmt": "gnu",
+            "id": "jarl_lint",
+            "tier": 2,
+            "fix_cmd": "jarl check . --fix --allow-dirty",
+        },
         {
             "label": "lintr",
             "cmd": (
@@ -16,7 +24,7 @@
             ),
             "fmt": "gnu",
             "id": "lintr_lint",
-            "tier": 2,
+            "tier": 3,
             "fix_cmd": None,
         },
     ],