diff --git a/Project.toml b/Project.toml
index c74d0c2..19e67a6 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "DistributionFits"
 uuid = "45214091-1ed4-4409-9bcf-fdb48a05e921"
 authors = ["Thomas Wutzler <twutz@bgc-jena.mpg.de> and contributors"]
-version = "0.3.1-DEV"
+version = "0.3.1"
 
 [deps]
 Distributions = "31c24e10-a181-5473-b8eb-7969acd0382f"