diff --git a/DESCRIPTION b/DESCRIPTION
index 9cd4520..dcb4417 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: sdft
 Type: Package
 Title: Model to forecast demand for new local railway stations
-Version: 0.3.0
+Version: 0.3.1
 Authors@R: person("Marcus", "Young", email = "m.a.young@soton.ac.uk", role = c("aut", "cre"))
 Description: This model is intended to forecast demand for new local railway stations. 
   It has been calibrated on all Category E and F stations in mainland GB and incorporates
diff --git a/README.md b/README.md
index 75e31a6..992cbc5 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ To cite the sdft package in publications, please use the following. You can obta
 the DOI for a specific version from: https://zenodo.org/record/4066925
 
   Marcus Young and Simon Blainey (2020). sdft: The Station Demand Forecasting Tool.
-  R package version 0.3.0. https://doi.org/10.5281/zenodo.4066925
+  R package version 0.3.1. https://doi.org/10.5281/zenodo.4066925
 
 A BibTeX entry for LaTeX users is
 
@@ -45,7 +45,7 @@ A BibTeX entry for LaTeX users is
     author = {{Marcus Young} and {Simon Blainey}},
     title = {{sdft: The Station Demand Forecasting Tool}},
     year = {2020},
-    note = {{R package version 0.3.0}},
+    note = {{R package version 0.3.1}},
     doi = {{10.5281/zenodo.4066925}},
   }
 
diff --git a/inst/CITATION b/inst/CITATION
index ee1ca5b..a99bf62 100644
--- a/inst/CITATION
+++ b/inst/CITATION
@@ -5,6 +5,6 @@ citEntry(entry="Manual",
          person("Marcus Young"), person("Simon Blainey")),
          title = "{sdft: The Station Demand Forecasting Tool}",
          year = 2020,
-         note = "{R package version 0.3.0}",
+         note = "{R package version 0.3.1}",
          doi = "{10.5281/zenodo.4066925}",
-         textVersion = paste("Marcus Young and Simon Blainey (2020).", "sdft: The Station Demand Forecasting Tool.", "R package version 0.3.0.", "https://doi.org/10.5281/zenodo.4066925"))
+         textVersion = paste("Marcus Young and Simon Blainey (2020).", "sdft: The Station Demand Forecasting Tool.", "R package version 0.3.1.", "https://doi.org/10.5281/zenodo.4066925"))