diff --git a/Project.toml b/Project.toml
index 123c2c9..9ac1ca3 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "ReadVTK"
 uuid = "dc215faf-f008-4882-a9f7-a79a826fadc3"
 authors = ["Michael Schlottke-Lakemper <michael@sloede.com>"]
-version = "0.2.0"
+version = "0.2.1-dev"
 
 [deps]
 Base64 = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"