diff --git a/Project.toml b/Project.toml
index 54400da..e32f0fc 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,7 @@
 name = "DecisionTrees"
 uuid = "fc740396-dafd-11e8-34f4-4b14022962e1"
 authors = ["Lars Schütz"]
+version = "0.1.0"
 
 [deps]
 Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"