diff --git a/Cargo.toml b/Cargo.toml
index 171f89d..dbac58f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fastlin"
-version = "0.4.0"
+version = "0.4.1"
 edition = "2021"
 description = "an ultra-fast program for MTBC lineage typing"
 repository = "https://github.com/rderelle/fastlin"