diff --git a/DESCRIPTION b/DESCRIPTION
index 1829bce5..304c3a69 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: DAISIE
 Type: Package
 Title: Dynamical Assembly of Islands by Speciation, Immigration and Extinction
-Version: 4.0.0
-Date: 2021-05-21
+Version: 4.0.1
+Date: 2021-05-22
 Depends: R (>= 3.5.0)
 biocViews:
 SystemRequirements: C++14