diff --git a/src/tools/tidy/src/ext_tool_checks.rs b/src/tools/tidy/src/ext_tool_checks.rs
index f10844435d9..9792650d37d 100644
--- a/src/tools/tidy/src/ext_tool_checks.rs
+++ b/src/tools/tidy/src/ext_tool_checks.rs
@@ -32,7 +32,6 @@ const REL_PY_PATH: &[&str] = &["Scripts", "python3.exe"];
 const REL_PY_PATH: &[&str] = &["bin", "python3"];
 
 const RUFF_CONFIG_PATH: &[&str] = &["src", "tools", "tidy", "config", "ruff.toml"];
-const BLACK_CONFIG_PATH: &[&str] = &["src", "tools", "tidy", "config", "black.toml"];
 /// Location within build directory
 const RUFF_CACHE_PATH: &[&str] = &["cache", "ruff_cache"];
 const PIP_REQ_PATH: &[&str] = &["src", "tools", "tidy", "config", "requirements.txt"];
@@ -124,33 +123,36 @@ fn check_impl(
     }
 
     if python_fmt {
-        let mut cfg_args_black = cfg_args.clone();
-        let mut file_args_black = file_args.clone();
+        let mut cfg_args_ruff = cfg_args.clone();
+        let mut file_args_ruff = file_args.clone();
 
         if bless {
             eprintln!("formatting python files");
         } else {
             eprintln!("checking python file formatting");
-            cfg_args_black.push("--check".as_ref());
+            cfg_args_ruff.push("--check".as_ref());
         }
 
         let mut cfg_path = root_path.to_owned();
-        cfg_path.extend(BLACK_CONFIG_PATH);
+        cfg_path.extend(RUFF_CONFIG_PATH);
+        let mut cache_dir = outdir.to_owned();
+        cache_dir.extend(RUFF_CACHE_PATH);
 
-        cfg_args_black.extend(["--config".as_ref(), cfg_path.as_os_str()]);
+        cfg_args_ruff.extend(["--config".as_ref(), cfg_path.as_os_str()]);
 
-        if file_args_black.is_empty() {
-            file_args_black.push(root_path.as_os_str());
+        if file_args_ruff.is_empty() {
+            file_args_ruff.push(root_path.as_os_str());
         }
 
-        let mut args = merge_args(&cfg_args_black, &file_args_black);
-        let res = py_runner(py_path.as_ref().unwrap(), true, None, "black", &args);
+        let mut args = merge_args(&cfg_args_ruff, &file_args_ruff);
+        args.insert(0, "format".as_ref());
+        let res = py_runner(py_path.as_ref().unwrap(), true, None, "ruff", &args);
 
         if res.is_err() && show_diff {
             eprintln!("\npython formatting does not match! Printing diff:");
 
             args.insert(0, "--diff".as_ref());
-            let _ = py_runner(py_path.as_ref().unwrap(), true, None, "black", &args);
+            let _ = py_runner(py_path.as_ref().unwrap(), true, None, "ruff", &args);
         }
         // Rethrow error
         let _ = res?;