diff --git a/project-cljs.clj b/project-cljs.clj
index 29b346b..8e8e9da 100644
--- a/project-cljs.clj
+++ b/project-cljs.clj
@@ -1,4 +1,4 @@
-(defproject org.domaindrivenarchitecture/c4k-common-cljs "0.3.4-SNAPSHOT"
+(defproject org.domaindrivenarchitecture/c4k-common-cljs "0.4.0"
   :description "Contains predicates and tools for c4k"
   :url "https://domaindrivenarchitecture.org"
   :license {:name "Apache License, Version 2.0"
diff --git a/project.clj b/project.clj
index 5de56ab..b343e8a 100644
--- a/project.clj
+++ b/project.clj
@@ -1,4 +1,4 @@
-(defproject org.domaindrivenarchitecture/c4k-common-clj "0.3.4-SNAPSHOT"
+(defproject org.domaindrivenarchitecture/c4k-common-clj "0.4.0"
   :description "Contains predicates and tools for c4k"
   :url "https://domaindrivenarchitecture.org"
   :license {:name "Apache License, Version 2.0"