diff --git a/src/formatters/mod.rs b/src/formatters/mod.rs
index 94fd55c4..aca1820f 100644
--- a/src/formatters/mod.rs
+++ b/src/formatters/mod.rs
@@ -37,6 +37,7 @@ pub mod purs_tidy;
 pub mod rescript_format;
 pub mod roc_format;
 pub mod rubocop;
+pub mod rubyfmt;
 pub mod ruff;
 pub mod rufo;
 pub mod rustfmt;
diff --git a/src/formatters/rubyfmt.rs b/src/formatters/rubyfmt.rs
new file mode 100644
index 00000000..d4ce114b
--- /dev/null
+++ b/src/formatters/rubyfmt.rs
@@ -0,0 +1,43 @@
+use super::execute_command;
+
+#[inline]
+pub fn format_using_rubyfmt(
+    snippet_path: &std::path::Path,
+) -> std::io::Result<(bool, Option<String>)> {
+    let mut cmd = std::process::Command::new("rubyfmt");
+
+    cmd.arg("-i").arg(snippet_path);
+
+    execute_command(&mut cmd, snippet_path)
+}
+
+#[cfg(test)]
+mod test_rubyfmt {
+    use crate::{
+        formatters::{rubyfmt::format_using_rubyfmt, setup_snippet},
+        languages::Language,
+    };
+
+    #[test_with::executable(rubyfmt)]
+    #[test]
+    fn it_should_format_ruby() {
+        let input = "def   add(  a ,                                                          b )
+                        return a + b
+                end";
+
+        let expected_output = "def add(a, b)
+  return a + b
+end
+";
+
+        let snippet = setup_snippet(input, Language::Ruby.to_file_ext())
+            .expect("it to create a snippet file");
+
+        let output = format_using_rubyfmt(snippet.path())
+            .expect("it to be successful")
+            .1
+            .expect("it to be some");
+
+        assert_eq!(expected_output, output);
+    }
+}
diff --git a/src/languages/ruby.rs b/src/languages/ruby.rs
index b8b22d53..c17c776b 100644
--- a/src/languages/ruby.rs
+++ b/src/languages/ruby.rs
@@ -1,6 +1,9 @@
 use schemars::JsonSchema;
 
-use crate::formatters::{rubocop::format_using_rubocop, rufo::format_using_rufo, MdsfFormatter};
+use crate::formatters::{
+    rubocop::format_using_rubocop, rubyfmt::format_using_rubyfmt, rufo::format_using_rufo,
+    MdsfFormatter,
+};
 
 use super::{Lang, LanguageFormatter};
 
@@ -8,6 +11,8 @@ use super::{Lang, LanguageFormatter};
 #[cfg_attr(test, derive(PartialEq, Eq))]
 pub enum Ruby {
     #[default]
+    #[serde(rename = "rubyfmt")]
+    RubyFmt,
     #[serde(rename = "rubocop")]
     RuboCop,
     #[serde(rename = "rufo")]
@@ -30,6 +35,7 @@ impl Default for MdsfFormatter<Ruby> {
         Self::Multiple(vec![Self::Multiple(vec![
             Self::Single(Ruby::RuboCop),
             Self::Single(Ruby::Rufo),
+            Self::Single(Ruby::RubyFmt),
         ])])
     }
 }
@@ -43,6 +49,7 @@ impl LanguageFormatter for Ruby {
         match self {
             Self::RuboCop => format_using_rubocop(snippet_path),
             Self::Rufo => format_using_rufo(snippet_path),
+            Self::RubyFmt => format_using_rubyfmt(snippet_path),
         }
     }
 }