diff --git a/src/cli.rs b/src/cli.rs
index cb46b8c..02e8415 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -9,7 +9,7 @@ use crate::heatmap::{ColorLogic, Format, HeatmapColors};
 #[command(version, about, author, long_about = None, args_override_self = true)]
 pub struct CliArgs {
 	#[arg(long("root-dir"), value_hint = ValueHint::DirPath)]
-	pub root_dir: Option<PathBuf>,
+	pub root_dir: Option<Vec<PathBuf>>,
 
 	#[arg(short, long, num_args(0..))]
 	pub authors: Option<Vec<String>>,
diff --git a/src/main.rs b/src/main.rs
index 05396fe..0b4cce4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -196,9 +196,11 @@ fn get_commits(
 	let ignored_repos = args.ignored_repos.as_ref().unwrap_or(&vec![]).to_owned();
 
 	let (repos, branches) = match &args.root_dir {
-		Some(root) => {
+		Some(roots) => {
 			let mut repos: Vec<PathBuf> = vec![];
-			find_git_repos(root, &mut repos, &ignored_repos, &args);
+			for root in roots {
+				find_git_repos(root, &mut repos, &ignored_repos, &args);
+			}
 			let branches = vec!["".to_string(); repos.len()];
 			(repos, branches)
 		}