diff --git a/Project.toml b/Project.toml
index c5dc99f..7a9869f 100644
--- a/Project.toml
+++ b/Project.toml
@@ -2,7 +2,7 @@ name = "ExpressionExplorer"
 uuid = "21656369-7473-754a-2065-74616d696c43"
 license = "MIT"
 authors = ["Paul Berg <paul@plutojl.org>", "Fons van der Plas <fons@plutojl.org>"]
-version = "0.3.0"
+version = "0.4.0"
 
 [deps]
 Markdown = "d6f4376e-aef5-505a-96c1-9c027394607a"