diff --git a/Formula/r/ruff.rb b/Formula/r/ruff.rb
index 285131f1713ad..0f436fa23652e 100644
--- a/Formula/r/ruff.rb
+++ b/Formula/r/ruff.rb
@@ -1,18 +1,18 @@
 class Ruff < Formula
   desc "Extremely fast Python linter, written in Rust"
   homepage "https://docs.astral.sh/ruff/"
-  url "https://github.com/astral-sh/ruff/archive/refs/tags/0.9.4.tar.gz"
-  sha256 "5d0a40ed9359b174e6b5420aae908a1120dbc631a62160916fd8dfff7a799e34"
+  url "https://github.com/astral-sh/ruff/archive/refs/tags/0.9.5.tar.gz"
+  sha256 "b17cd4352d28a6e949dde559faf4e599fb3a85228ea16727a6169a956715f565"
   license "MIT"
   head "https://github.com/astral-sh/ruff.git", branch: "main"
 
   bottle do
-    sha256 cellar: :any_skip_relocation, arm64_sequoia: "906406070ec1cb8608e72f00712f6be2564e2b8e741d3e808696979a687a119a"
-    sha256 cellar: :any_skip_relocation, arm64_sonoma:  "46f25417b80a2517578f42b254d381980a289e30498cb2f51e9386e3c6b299d1"
-    sha256 cellar: :any_skip_relocation, arm64_ventura: "569775ae99520666fd7f7a6b3e33859328037eeb010fff6e71ed40a50d9fa78b"
-    sha256 cellar: :any_skip_relocation, sonoma:        "d587c10c16787633e41e7626862b39897889b67ac9a8ca07157427514d915d93"
-    sha256 cellar: :any_skip_relocation, ventura:       "c66dbe32d9bc4ca10461eae0524af23fed6ab45a170fb4b84b23b3ff226a6317"
-    sha256 cellar: :any_skip_relocation, x86_64_linux:  "01a898e71e6086645d8cc56932ed4e621e8051b3c69df21e3abb04c43cceb736"
+    sha256 cellar: :any_skip_relocation, arm64_sequoia: "1d203215ac46060e91e5a995d4c9e8fc021d4c5420eca4ee8e701e87e2df240f"
+    sha256 cellar: :any_skip_relocation, arm64_sonoma:  "4d00e1c6b7c85d5f984ff21a1f83cdc555335904900846b5fb1af292d06d3601"
+    sha256 cellar: :any_skip_relocation, arm64_ventura: "90d7fd0cc37a288f5b5ecf721bca92a47a60fab139ef7cc673b9eaf53fb62ea5"
+    sha256 cellar: :any_skip_relocation, sonoma:        "d3a8b820769eb60f350024ef19b30b951d4bdc65e4547ef5421a1516bec43bf6"
+    sha256 cellar: :any_skip_relocation, ventura:       "dfbff8adfc957187bfbb852ee5616dd259031cda44c3cd90e32c02c5b0e44d12"
+    sha256 cellar: :any_skip_relocation, x86_64_linux:  "f79b629cade365dbd11172a49d856fe242b0d7aff49ac76be5fe92e267e0d6f5"
   end
 
   depends_on "rust" => :build