diff --git a/Cargo.lock b/Cargo.lock
index e10b38d2..6c7655e2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1871,6 +1871,7 @@ dependencies = [
  "tree-sitter-json",
  "tree-sitter-php",
  "tree-sitter-python",
+ "tree-sitter-ruby",
  "tree-sitter-rust",
  "tree-sitter-toml",
  "tree-sitter-typescript",
@@ -4152,6 +4153,15 @@ dependencies = [
  "tree-sitter",
 ]
 
+[[package]]
+name = "tree-sitter-ruby"
+version = "0.19.0"
+source = "git+https://github.com/Liberatys/tree-sitter-ruby.git?branch=chore/allow-range-of-tree-sitter#26086eeb072266abf51273af631a2cb62d0fd1e8"
+dependencies = [
+ "cc",
+ "tree-sitter",
+]
+
 [[package]]
 name = "tree-sitter-rust"
 version = "0.20.0"
diff --git a/lapce-core/Cargo.toml b/lapce-core/Cargo.toml
index 232d7eb2..589eac29 100644
--- a/lapce-core/Cargo.toml
+++ b/lapce-core/Cargo.toml
@@ -19,6 +19,7 @@ tree-sitter-python = "0.19.1"
 tree-sitter-toml = "0.20.0"
 tree-sitter-elixir = { git = "https://github.com/elixir-lang/tree-sitter-elixir.git", version = "0.19.0" }
 tree-sitter-php = { git = "https://github.com/tree-sitter/tree-sitter-php.git", version = "0.19.1" }
+tree-sitter-ruby = { git = "https://github.com/Liberatys/tree-sitter-ruby.git", branch = "chore/allow-range-of-tree-sitter" }
 tree-sitter-c = "0.20.1"
 tree-sitter-cpp = "0.20.0"
 tree-sitter-json = "0.19.0"
diff --git a/lapce-core/src/language.rs b/lapce-core/src/language.rs
index 69895b11..d2346b48 100644
--- a/lapce-core/src/language.rs
+++ b/lapce-core/src/language.rs
@@ -48,6 +48,7 @@ pub enum LapceLanguage {
     C,
     Cpp,
     Json,
+    Ruby,
 }
 
 impl LapceLanguage {
@@ -69,6 +70,7 @@ pub fn from_path(path: &Path) -> Option<LapceLanguage> {
                 LapceLanguage::Cpp
             }
             "json" => LapceLanguage::Json,
+            "rb" => LapceLanguage::Ruby,
             _ => return None,
         })
     }
@@ -88,6 +90,7 @@ pub fn comment_token(&self) -> &str {
             LapceLanguage::C => "//",
             LapceLanguage::Cpp => "//",
             LapceLanguage::Json => "",
+            LapceLanguage::Ruby => "#",
         }
     }
 
@@ -106,6 +109,7 @@ pub fn indent_unit(&self) -> &str {
             LapceLanguage::C => "  ",
             LapceLanguage::Cpp => "    ",
             LapceLanguage::Json => "    ",
+            LapceLanguage::Ruby => "  ",
         }
     }
 
@@ -126,6 +130,7 @@ fn tree_sitter_language(&self) -> tree_sitter::Language {
             LapceLanguage::C => tree_sitter_c::language(),
             LapceLanguage::Cpp => tree_sitter_cpp::language(),
             LapceLanguage::Json => tree_sitter_json::language(),
+            LapceLanguage::Ruby => tree_sitter_ruby::language(),
         }
     }
 
@@ -152,6 +157,7 @@ pub(crate) fn new_highlight_config(&self) -> HighlightConfiguration {
             LapceLanguage::C => tree_sitter_c::HIGHLIGHT_QUERY,
             LapceLanguage::Cpp => tree_sitter_cpp::HIGHLIGHT_QUERY,
             LapceLanguage::Json => tree_sitter_json::HIGHLIGHT_QUERY,
+            LapceLanguage::Ruby => tree_sitter_ruby::HIGHLIGHT_QUERY,
         };
 
         HighlightConfiguration::new(language, query, "", "").unwrap()