diff --git a/DESCRIPTION b/DESCRIPTION
index d1cfcd3..50bc5d8 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -7,7 +7,7 @@ Description: This fills the gaps credit analysts and loan modellers at
     modelling loans (without rounding), and other helpful functions
     for producing charts and tables.  It also has some additional scales for
     use, including a GBP scale.
-Version: 0.39.0
+Version: 0.40.0
 Encoding: UTF-8
 Authors@R: c(
     person("Steph", "Locke",
diff --git a/NEWS.md b/NEWS.md
index 47712ea..1402d3d 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,4 +1,4 @@
-optiRum 0.39.0
+optiRum 0.40.0
 -------------
 Enhancements:
 * Better website
diff --git a/cran-comments.md b/cran-comments.md
index 351f3ce..2162cce 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -22,7 +22,7 @@ No observed conflicts or issues in revdeps
 
 Release summary
 
-optiRum 0.39.0
+optiRum 0.40.0
 -------------
 Enhancements:
 * Better website