diff --git a/DESCRIPTION b/DESCRIPTION
index 3636170..2554e4e 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -2,7 +2,7 @@ Package: joineRML
 Type: Package
 Title: Joint Modelling of Multivariate Longitudinal Data and Time-to-Event
     Outcomes
-Version: 0.4.0.9000
+Version: 0.4.1
 Authors@R: c(
     person("Graeme L.", "Hickey", email = "graeme.hickey@liverpool.ac.uk", 
         role = c("cre", "aut")),
diff --git a/NEWS.md b/NEWS.md
index 8bf36dd..744cf61 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,4 +1,4 @@
-# joineRML 0.4.0.9000
+# joineRML 0.4.1
 
 ## New features