diff --git a/project.clj b/project.clj
index d2696fe..f4aead2 100644
--- a/project.clj
+++ b/project.clj
@@ -1,4 +1,4 @@
-(defproject protojure "1.6.4-SNAPSHOT"
+(defproject protojure "1.6.4"
   :description "Support library for protoc-gen-clojure, providing native Clojure support for Google Protocol Buffers and GRPC applications"
   :url "http://github.com/protojure/library"
   :license {:name "Apache License 2.0"