diff --git a/project.clj b/project.clj
index be90fea..fa7253a 100644
--- a/project.clj
+++ b/project.clj
@@ -1,4 +1,4 @@
-(defproject net.clojars.lspector/propeller "0.2.0"
+(defproject net.clojars.lspector/propeller "0.2.1"
   :description "Yet another Push-based genetic programming system in Clojure."
   :url "https://github.com/lspector/propeller"
   :license {:name "EPL-2.0 OR GPL-2.0-or-later WITH Classpath-exception-2.0"