diff --git a/project.clj b/project.clj
index 374916e..6a88bf7 100644
--- a/project.clj
+++ b/project.clj
@@ -1,4 +1,4 @@
-(defproject tortue/spy "2.15.0"
+(defproject tortue/spy "2.16.0-SNAPSHOT"
   :description "Spy - a Clojure and ClojureScript library for stubs, spies and mocks"
   :url "https://github.com/alexanderjamesking/spy"
   :license {:name "MIT License"