diff --git a/Cargo.lock b/Cargo.lock
index 88db657..7f01149 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -782,6 +782,17 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4ae62f7eae5eb549c71b76658648b72cc6111f2d87d24a1e31fa907f4943e3ce"
 
+[[package]]
+name = "tree-sitter-rbs"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "737ba7f61f95da9cbf3af40ef4167cc500fd2b2f9be7030d67e7ec43a84ae079"
+dependencies = [
+ "cc",
+ "tree-sitter",
+ "tree-sitter-language",
+]
+
 [[package]]
 name = "tree-sitter-ruby"
 version = "0.23.1"
@@ -1056,6 +1067,7 @@ dependencies = [
  "serde_json",
  "tree-sitter",
  "tree-sitter-embedded-template",
+ "tree-sitter-rbs",
  "tree-sitter-ruby",
  "zed_extension_api",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 2a59901..93d9bc3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,4 +20,5 @@ anyhow = "1.0.89"
 tree-sitter = "0.26"
 tree-sitter-ruby = "0.23.1"
 tree-sitter-embedded-template = "0.25.0"
+tree-sitter-rbs = "0.2.3"
 insta = { version = "1.46", features = ["yaml"] }
diff --git a/languages/rbs/highlights.scm b/languages/rbs/highlights.scm
index 5789d65..5757ae6 100644
--- a/languages/rbs/highlights.scm
+++ b/languages/rbs/highlights.scm
@@ -98,7 +98,7 @@
 (type_variable) @constant
 
 (namespace
-  (constant) @module)
+  (constant) @type)
 
 (builtin_type) @type.builtin
 
diff --git a/languages/rbs/indents.scm b/languages/rbs/indents.scm
index 8d53ab1..130fac3 100644
--- a/languages/rbs/indents.scm
+++ b/languages/rbs/indents.scm
@@ -5,7 +5,7 @@
   (parameters)
   (tuple_type)
   (record_type)
-] @indent.begin
+] @indent
 
 (_
   "["
@@ -18,5 +18,3 @@
 (_
   "("
   ")" @end) @indent
-
-(comment) @indent.ignore
diff --git a/tests/languages/rbs/highlights.rbs b/tests/languages/rbs/highlights.rbs
new file mode 100644
index 0000000..a296bef
--- /dev/null
+++ b/tests/languages/rbs/highlights.rbs
@@ -0,0 +1,57 @@
+use Billing::Invoice as Bill
+
+$billing_enabled: bool
+LATEST_INVOICE: Billing::Invoice[String]?
+
+module Billing
+  DEFAULT_CURRENCY: String
+
+  type status = :draft | :paid | :void
+  type metadata = { id: Integer, label: String?, active: bool }
+  type callback = ^(Integer) -> String
+  type mode = "fast" | "slow\n" | 1 | true | false
+
+  interface _Printable
+    def render: () -> String
+  end
+
+  interface _Source[out A]
+    def get: () -> A
+  end
+
+  module Trackable
+    @updated_at: Time?
+    def touch: () -> void
+  end
+
+  class Invoice[A] < Object
+    include Trackable
+
+    @memo: String?
+    @@count: Integer
+
+    attr_reader items: Array[A]
+    attr_writer memo: String?
+    attr_accessor owner: String
+
+    def self.build: [T] (T value) -> Invoice[T]
+    def initialize: (Array[A] items, owner: String) -> void
+    def render: () -> String
+    alias formatted render
+
+    def ready?: () -> bool
+    def reset: () -> void
+    def []: (Integer index) -> A?
+    def amount=: (Integer value) -> Integer
+    def +: (Invoice[A] other) -> Invoice[A]
+    def each: () { (A) -> void } -> self
+
+    def charge: (Integer amount, ?String note, *String tags,
+                 currency: String, ?retry: bool, **untyped options)
+                 ?{ (Integer) -> void } -> bool
+
+    private
+
+    def normalize: (untyped value) -> String
+  end
+end
diff --git a/tests/languages/rbs/snapshots/highlights.snap b/tests/languages/rbs/snapshots/highlights.snap
new file mode 100644
index 0000000..78289cd
--- /dev/null
+++ b/tests/languages/rbs/snapshots/highlights.snap
@@ -0,0 +1,1140 @@
+---
+source: tests/support/mod.rs
+expression: captures
+---
+- name: keyword
+  line: 1
+  column: 1
+  text: use
+- name: type
+  line: 1
+  column: 5
+  text: "Billing::Invoice"
+- name: type
+  line: 1
+  column: 5
+  text: Billing
+- name: keyword
+  line: 1
+  column: 22
+  text: as
+- name: type
+  line: 1
+  column: 25
+  text: Bill
+- name: variable
+  line: 3
+  column: 1
+  text: $billing_enabled
+- name: type.builtin
+  line: 3
+  column: 19
+  text: bool
+- name: constant
+  line: 4
+  column: 1
+  text: LATEST_INVOICE
+- name: type
+  line: 4
+  column: 17
+  text: Billing
+- name: type
+  line: 4
+  column: 26
+  text: Invoice
+- name: punctuation.bracket
+  line: 4
+  column: 33
+  text: "["
+- name: type
+  line: 4
+  column: 34
+  text: String
+- name: punctuation.bracket
+  line: 4
+  column: 40
+  text: "]"
+- name: operator
+  line: 4
+  column: 41
+  text: "?"
+- name: keyword
+  line: 6
+  column: 1
+  text: module
+- name: type
+  line: 6
+  column: 8
+  text: Billing
+- name: constant
+  line: 7
+  column: 3
+  text: DEFAULT_CURRENCY
+- name: type
+  line: 7
+  column: 21
+  text: String
+- name: keyword.type
+  line: 9
+  column: 3
+  text: type
+- name: type
+  line: 9
+  column: 8
+  text: status
+- name: operator
+  line: 9
+  column: 15
+  text: "="
+- name: string.special.symbol
+  line: 9
+  column: 17
+  text: ":draft"
+- name: operator
+  line: 9
+  column: 24
+  text: "|"
+- name: string.special.symbol
+  line: 9
+  column: 26
+  text: ":paid"
+- name: operator
+  line: 9
+  column: 32
+  text: "|"
+- name: string.special.symbol
+  line: 9
+  column: 34
+  text: ":void"
+- name: keyword.type
+  line: 10
+  column: 3
+  text: type
+- name: type
+  line: 10
+  column: 8
+  text: metadata
+- name: operator
+  line: 10
+  column: 17
+  text: "="
+- name: punctuation.bracket
+  line: 10
+  column: 19
+  text: "{"
+- name: string.special.symbol
+  line: 10
+  column: 21
+  text: id
+- name: type
+  line: 10
+  column: 25
+  text: Integer
+- name: punctuation.delimiter
+  line: 10
+  column: 32
+  text: ","
+- name: string.special.symbol
+  line: 10
+  column: 34
+  text: label
+- name: type
+  line: 10
+  column: 41
+  text: String
+- name: operator
+  line: 10
+  column: 47
+  text: "?"
+- name: punctuation.delimiter
+  line: 10
+  column: 48
+  text: ","
+- name: string.special.symbol
+  line: 10
+  column: 50
+  text: active
+- name: type.builtin
+  line: 10
+  column: 58
+  text: bool
+- name: punctuation.bracket
+  line: 10
+  column: 63
+  text: "}"
+- name: keyword.type
+  line: 11
+  column: 3
+  text: type
+- name: type
+  line: 11
+  column: 8
+  text: callback
+- name: operator
+  line: 11
+  column: 17
+  text: "="
+- name: operator
+  line: 11
+  column: 19
+  text: ^
+- name: punctuation.bracket
+  line: 11
+  column: 20
+  text: (
+- name: type
+  line: 11
+  column: 21
+  text: Integer
+- name: punctuation.bracket
+  line: 11
+  column: 28
+  text: )
+- name: operator
+  line: 11
+  column: 30
+  text: "->"
+- name: type
+  line: 11
+  column: 33
+  text: String
+- name: keyword.type
+  line: 12
+  column: 3
+  text: type
+- name: type
+  line: 12
+  column: 8
+  text: mode
+- name: operator
+  line: 12
+  column: 13
+  text: "="
+- name: string
+  line: 12
+  column: 15
+  text: "\"fast\""
+- name: operator
+  line: 12
+  column: 22
+  text: "|"
+- name: string
+  line: 12
+  column: 24
+  text: "\"slow\\n\""
+- name: string.escape
+  line: 12
+  column: 29
+  text: "\\n"
+- name: operator
+  line: 12
+  column: 33
+  text: "|"
+- name: number
+  line: 12
+  column: 35
+  text: "1"
+- name: operator
+  line: 12
+  column: 37
+  text: "|"
+- name: boolean
+  line: 12
+  column: 39
+  text: "true"
+- name: operator
+  line: 12
+  column: 44
+  text: "|"
+- name: boolean
+  line: 12
+  column: 46
+  text: "false"
+- name: keyword.type
+  line: 14
+  column: 3
+  text: interface
+- name: type
+  line: 14
+  column: 13
+  text: _Printable
+- name: keyword
+  line: 15
+  column: 5
+  text: def
+- name: keyword.function
+  line: 15
+  column: 5
+  text: def
+- name: function.method
+  line: 15
+  column: 9
+  text: render
+- name: punctuation.bracket
+  line: 15
+  column: 17
+  text: (
+- name: punctuation.bracket
+  line: 15
+  column: 18
+  text: )
+- name: operator
+  line: 15
+  column: 20
+  text: "->"
+- name: type
+  line: 15
+  column: 23
+  text: String
+- name: keyword.type
+  line: 16
+  column: 3
+  text: end
+- name: keyword
+  line: 16
+  column: 3
+  text: end
+- name: keyword.type
+  line: 18
+  column: 3
+  text: interface
+- name: type
+  line: 18
+  column: 13
+  text: _Source
+- name: punctuation.bracket
+  line: 18
+  column: 20
+  text: "["
+- name: keyword
+  line: 18
+  column: 21
+  text: out
+- name: constant
+  line: 18
+  column: 25
+  text: A
+- name: punctuation.bracket
+  line: 18
+  column: 26
+  text: "]"
+- name: keyword
+  line: 19
+  column: 5
+  text: def
+- name: keyword.function
+  line: 19
+  column: 5
+  text: def
+- name: function.method
+  line: 19
+  column: 9
+  text: get
+- name: punctuation.bracket
+  line: 19
+  column: 14
+  text: (
+- name: punctuation.bracket
+  line: 19
+  column: 15
+  text: )
+- name: operator
+  line: 19
+  column: 17
+  text: "->"
+- name: type
+  line: 19
+  column: 20
+  text: A
+- name: keyword.type
+  line: 20
+  column: 3
+  text: end
+- name: keyword
+  line: 20
+  column: 3
+  text: end
+- name: keyword
+  line: 22
+  column: 3
+  text: module
+- name: type
+  line: 22
+  column: 10
+  text: Trackable
+- name: variable.member
+  line: 23
+  column: 5
+  text: "@updated_at"
+- name: type
+  line: 23
+  column: 18
+  text: Time
+- name: operator
+  line: 23
+  column: 22
+  text: "?"
+- name: keyword
+  line: 24
+  column: 5
+  text: def
+- name: keyword.function
+  line: 24
+  column: 5
+  text: def
+- name: function.method
+  line: 24
+  column: 9
+  text: touch
+- name: punctuation.bracket
+  line: 24
+  column: 16
+  text: (
+- name: punctuation.bracket
+  line: 24
+  column: 17
+  text: )
+- name: operator
+  line: 24
+  column: 19
+  text: "->"
+- name: type.builtin
+  line: 24
+  column: 22
+  text: void
+- name: keyword
+  line: 25
+  column: 3
+  text: end
+- name: keyword.type
+  line: 27
+  column: 3
+  text: class
+- name: type
+  line: 27
+  column: 9
+  text: Invoice
+- name: punctuation.bracket
+  line: 27
+  column: 16
+  text: "["
+- name: constant
+  line: 27
+  column: 17
+  text: A
+- name: punctuation.bracket
+  line: 27
+  column: 18
+  text: "]"
+- name: operator
+  line: 27
+  column: 20
+  text: "<"
+- name: type
+  line: 27
+  column: 22
+  text: Object
+- name: function.method
+  line: 28
+  column: 5
+  text: include
+- name: type
+  line: 28
+  column: 13
+  text: Trackable
+- name: variable.member
+  line: 30
+  column: 5
+  text: "@memo"
+- name: type
+  line: 30
+  column: 12
+  text: String
+- name: operator
+  line: 30
+  column: 18
+  text: "?"
+- name: variable.member
+  line: 31
+  column: 5
+  text: "@@count"
+- name: type
+  line: 31
+  column: 14
+  text: Integer
+- name: keyword
+  line: 33
+  column: 5
+  text: attr_reader
+- name: function.method
+  line: 33
+  column: 17
+  text: items
+- name: type
+  line: 33
+  column: 24
+  text: Array
+- name: punctuation.bracket
+  line: 33
+  column: 29
+  text: "["
+- name: type
+  line: 33
+  column: 30
+  text: A
+- name: punctuation.bracket
+  line: 33
+  column: 31
+  text: "]"
+- name: keyword
+  line: 34
+  column: 5
+  text: attr_writer
+- name: function.method
+  line: 34
+  column: 17
+  text: memo
+- name: type
+  line: 34
+  column: 23
+  text: String
+- name: operator
+  line: 34
+  column: 29
+  text: "?"
+- name: keyword
+  line: 35
+  column: 5
+  text: attr_accessor
+- name: function.method
+  line: 35
+  column: 19
+  text: owner
+- name: type
+  line: 35
+  column: 26
+  text: String
+- name: keyword
+  line: 37
+  column: 5
+  text: def
+- name: keyword.function
+  line: 37
+  column: 5
+  text: def
+- name: variable.builtin
+  line: 37
+  column: 9
+  text: self
+- name: punctuation.delimiter
+  line: 37
+  column: 13
+  text: "."
+- name: function.method
+  line: 37
+  column: 14
+  text: build
+- name: punctuation.bracket
+  line: 37
+  column: 21
+  text: "["
+- name: constant
+  line: 37
+  column: 22
+  text: T
+- name: punctuation.bracket
+  line: 37
+  column: 23
+  text: "]"
+- name: punctuation.bracket
+  line: 37
+  column: 25
+  text: (
+- name: type
+  line: 37
+  column: 26
+  text: T
+- name: variable.parameter
+  line: 37
+  column: 28
+  text: value
+- name: punctuation.bracket
+  line: 37
+  column: 33
+  text: )
+- name: operator
+  line: 37
+  column: 35
+  text: "->"
+- name: type
+  line: 37
+  column: 38
+  text: Invoice
+- name: punctuation.bracket
+  line: 37
+  column: 45
+  text: "["
+- name: type
+  line: 37
+  column: 46
+  text: T
+- name: punctuation.bracket
+  line: 37
+  column: 47
+  text: "]"
+- name: keyword
+  line: 38
+  column: 5
+  text: def
+- name: keyword.function
+  line: 38
+  column: 5
+  text: def
+- name: function.method
+  line: 38
+  column: 9
+  text: initialize
+- name: punctuation.bracket
+  line: 38
+  column: 21
+  text: (
+- name: type
+  line: 38
+  column: 22
+  text: Array
+- name: punctuation.bracket
+  line: 38
+  column: 27
+  text: "["
+- name: type
+  line: 38
+  column: 28
+  text: A
+- name: punctuation.bracket
+  line: 38
+  column: 29
+  text: "]"
+- name: variable.parameter
+  line: 38
+  column: 31
+  text: items
+- name: punctuation.delimiter
+  line: 38
+  column: 36
+  text: ","
+- name: variable.parameter
+  line: 38
+  column: 38
+  text: owner
+- name: type
+  line: 38
+  column: 45
+  text: String
+- name: punctuation.bracket
+  line: 38
+  column: 51
+  text: )
+- name: operator
+  line: 38
+  column: 53
+  text: "->"
+- name: type.builtin
+  line: 38
+  column: 56
+  text: void
+- name: keyword
+  line: 39
+  column: 5
+  text: def
+- name: keyword.function
+  line: 39
+  column: 5
+  text: def
+- name: function.method
+  line: 39
+  column: 9
+  text: render
+- name: punctuation.bracket
+  line: 39
+  column: 17
+  text: (
+- name: punctuation.bracket
+  line: 39
+  column: 18
+  text: )
+- name: operator
+  line: 39
+  column: 20
+  text: "->"
+- name: type
+  line: 39
+  column: 23
+  text: String
+- name: keyword
+  line: 40
+  column: 5
+  text: alias
+- name: function
+  line: 40
+  column: 11
+  text: formatted
+- name: function
+  line: 40
+  column: 21
+  text: render
+- name: keyword
+  line: 42
+  column: 5
+  text: def
+- name: keyword.function
+  line: 42
+  column: 5
+  text: def
+- name: function.method
+  line: 42
+  column: 9
+  text: ready?
+- name: operator
+  line: 42
+  column: 14
+  text: "?"
+- name: punctuation.bracket
+  line: 42
+  column: 17
+  text: (
+- name: punctuation.bracket
+  line: 42
+  column: 18
+  text: )
+- name: operator
+  line: 42
+  column: 20
+  text: "->"
+- name: type.builtin
+  line: 42
+  column: 23
+  text: bool
+- name: keyword
+  line: 43
+  column: 5
+  text: def
+- name: keyword.function
+  line: 43
+  column: 5
+  text: def
+- name: function.method
+  line: 43
+  column: 9
+  text: reset
+- name: punctuation.bracket
+  line: 43
+  column: 16
+  text: (
+- name: punctuation.bracket
+  line: 43
+  column: 17
+  text: )
+- name: operator
+  line: 43
+  column: 19
+  text: "->"
+- name: type.builtin
+  line: 43
+  column: 22
+  text: void
+- name: keyword
+  line: 44
+  column: 5
+  text: def
+- name: keyword.function
+  line: 44
+  column: 5
+  text: def
+- name: function.method
+  line: 44
+  column: 9
+  text: "[]"
+- name: punctuation.bracket
+  line: 44
+  column: 13
+  text: (
+- name: type
+  line: 44
+  column: 14
+  text: Integer
+- name: variable.parameter
+  line: 44
+  column: 22
+  text: index
+- name: punctuation.bracket
+  line: 44
+  column: 27
+  text: )
+- name: operator
+  line: 44
+  column: 29
+  text: "->"
+- name: type
+  line: 44
+  column: 32
+  text: A
+- name: operator
+  line: 44
+  column: 33
+  text: "?"
+- name: keyword
+  line: 45
+  column: 5
+  text: def
+- name: keyword.function
+  line: 45
+  column: 5
+  text: def
+- name: function.method
+  line: 45
+  column: 9
+  text: amount=
+- name: operator
+  line: 45
+  column: 15
+  text: "="
+- name: punctuation.bracket
+  line: 45
+  column: 18
+  text: (
+- name: type
+  line: 45
+  column: 19
+  text: Integer
+- name: variable.parameter
+  line: 45
+  column: 27
+  text: value
+- name: punctuation.bracket
+  line: 45
+  column: 32
+  text: )
+- name: operator
+  line: 45
+  column: 34
+  text: "->"
+- name: type
+  line: 45
+  column: 37
+  text: Integer
+- name: keyword
+  line: 46
+  column: 5
+  text: def
+- name: keyword.function
+  line: 46
+  column: 5
+  text: def
+- name: function.method
+  line: 46
+  column: 9
+  text: +
+- name: punctuation.bracket
+  line: 46
+  column: 12
+  text: (
+- name: type
+  line: 46
+  column: 13
+  text: Invoice
+- name: punctuation.bracket
+  line: 46
+  column: 20
+  text: "["
+- name: type
+  line: 46
+  column: 21
+  text: A
+- name: punctuation.bracket
+  line: 46
+  column: 22
+  text: "]"
+- name: variable.parameter
+  line: 46
+  column: 24
+  text: other
+- name: punctuation.bracket
+  line: 46
+  column: 29
+  text: )
+- name: operator
+  line: 46
+  column: 31
+  text: "->"
+- name: type
+  line: 46
+  column: 34
+  text: Invoice
+- name: punctuation.bracket
+  line: 46
+  column: 41
+  text: "["
+- name: type
+  line: 46
+  column: 42
+  text: A
+- name: punctuation.bracket
+  line: 46
+  column: 43
+  text: "]"
+- name: keyword
+  line: 47
+  column: 5
+  text: def
+- name: keyword.function
+  line: 47
+  column: 5
+  text: def
+- name: function.method
+  line: 47
+  column: 9
+  text: each
+- name: punctuation.bracket
+  line: 47
+  column: 15
+  text: (
+- name: punctuation.bracket
+  line: 47
+  column: 16
+  text: )
+- name: punctuation.bracket
+  line: 47
+  column: 18
+  text: "{"
+- name: punctuation.bracket
+  line: 47
+  column: 20
+  text: (
+- name: type
+  line: 47
+  column: 21
+  text: A
+- name: punctuation.bracket
+  line: 47
+  column: 22
+  text: )
+- name: operator
+  line: 47
+  column: 24
+  text: "->"
+- name: type.builtin
+  line: 47
+  column: 27
+  text: void
+- name: punctuation.bracket
+  line: 47
+  column: 32
+  text: "}"
+- name: operator
+  line: 47
+  column: 34
+  text: "->"
+- name: type.builtin
+  line: 47
+  column: 37
+  text: self
+- name: variable.builtin
+  line: 47
+  column: 37
+  text: self
+- name: keyword
+  line: 49
+  column: 5
+  text: def
+- name: keyword.function
+  line: 49
+  column: 5
+  text: def
+- name: function.method
+  line: 49
+  column: 9
+  text: charge
+- name: punctuation.bracket
+  line: 49
+  column: 17
+  text: (
+- name: type
+  line: 49
+  column: 18
+  text: Integer
+- name: variable.parameter
+  line: 49
+  column: 26
+  text: amount
+- name: punctuation.delimiter
+  line: 49
+  column: 32
+  text: ","
+- name: operator
+  line: 49
+  column: 34
+  text: "?"
+- name: type
+  line: 49
+  column: 35
+  text: String
+- name: variable.parameter
+  line: 49
+  column: 42
+  text: note
+- name: punctuation.delimiter
+  line: 49
+  column: 46
+  text: ","
+- name: operator
+  line: 49
+  column: 48
+  text: "*"
+- name: type
+  line: 49
+  column: 49
+  text: String
+- name: variable.parameter
+  line: 49
+  column: 56
+  text: tags
+- name: punctuation.delimiter
+  line: 49
+  column: 60
+  text: ","
+- name: variable.parameter
+  line: 50
+  column: 18
+  text: currency
+- name: type
+  line: 50
+  column: 28
+  text: String
+- name: punctuation.delimiter
+  line: 50
+  column: 34
+  text: ","
+- name: operator
+  line: 50
+  column: 36
+  text: "?"
+- name: variable.parameter
+  line: 50
+  column: 37
+  text: retry
+- name: type.builtin
+  line: 50
+  column: 44
+  text: bool
+- name: punctuation.delimiter
+  line: 50
+  column: 48
+  text: ","
+- name: operator
+  line: 50
+  column: 50
+  text: "**"
+- name: type.builtin
+  line: 50
+  column: 52
+  text: untyped
+- name: variable.parameter
+  line: 50
+  column: 60
+  text: options
+- name: punctuation.bracket
+  line: 50
+  column: 67
+  text: )
+- name: operator
+  line: 51
+  column: 18
+  text: "?"
+- name: punctuation.bracket
+  line: 51
+  column: 19
+  text: "{"
+- name: punctuation.bracket
+  line: 51
+  column: 21
+  text: (
+- name: type
+  line: 51
+  column: 22
+  text: Integer
+- name: punctuation.bracket
+  line: 51
+  column: 29
+  text: )
+- name: operator
+  line: 51
+  column: 31
+  text: "->"
+- name: type.builtin
+  line: 51
+  column: 34
+  text: void
+- name: punctuation.bracket
+  line: 51
+  column: 39
+  text: "}"
+- name: operator
+  line: 51
+  column: 41
+  text: "->"
+- name: type.builtin
+  line: 51
+  column: 44
+  text: bool
+- name: keyword.modifier
+  line: 53
+  column: 5
+  text: private
+- name: keyword
+  line: 55
+  column: 5
+  text: def
+- name: keyword.function
+  line: 55
+  column: 5
+  text: def
+- name: function.method
+  line: 55
+  column: 9
+  text: normalize
+- name: punctuation.bracket
+  line: 55
+  column: 20
+  text: (
+- name: type.builtin
+  line: 55
+  column: 21
+  text: untyped
+- name: variable.parameter
+  line: 55
+  column: 29
+  text: value
+- name: punctuation.bracket
+  line: 55
+  column: 34
+  text: )
+- name: operator
+  line: 55
+  column: 36
+  text: "->"
+- name: type
+  line: 55
+  column: 39
+  text: String
+- name: keyword.type
+  line: 56
+  column: 3
+  text: end
+- name: keyword
+  line: 56
+  column: 3
+  text: end
+- name: keyword
+  line: 57
+  column: 1
+  text: end
diff --git a/tests/rbs.rs b/tests/rbs.rs
new file mode 100644
index 0000000..2c9cf3e
--- /dev/null
+++ b/tests/rbs.rs
@@ -0,0 +1,14 @@
+mod support;
+
+// ============================================================================
+// Highlights Tests
+// ============================================================================
+
+#[test]
+fn highlights() {
+    support::assert_query_snapshot(
+        "highlights",
+        "tests/languages/rbs/highlights.rbs",
+        "languages/rbs/highlights.scm",
+    );
+}
diff --git a/tests/support/mod.rs b/tests/support/mod.rs
index 3dbfaf0..6e8eb1c 100644
--- a/tests/support/mod.rs
+++ b/tests/support/mod.rs
@@ -19,6 +19,7 @@ fn language_for_id(language_id: &str) -> tree_sitter::Language {
     match language_id {
         "ruby" => tree_sitter_ruby::LANGUAGE.into(),
         "erb" => tree_sitter_embedded_template::LANGUAGE.into(),
+        "rbs" => tree_sitter_rbs::LANGUAGE.into(),
         _ => panic!("Unsupported language id for query tests: {language_id}"),
     }
 }