diff --git a/.buildlibrary b/.buildlibrary
index a661a6569..daceb0d5a 100644
--- a/.buildlibrary
+++ b/.buildlibrary
@@ -1,4 +1,4 @@
-ValidationKey: '5115825'
+ValidationKey: '5209960'
 AcceptedWarnings:
 - 'Warning: package ''.*'' was built under R version'
 - 'Warning: namespace ''.*'' is not available and has been replaced'
diff --git a/.zenodo.json b/.zenodo.json
index aff090510..11a2c5c74 100644
--- a/.zenodo.json
+++ b/.zenodo.json
@@ -1,6 +1,6 @@
 {
   "title": "mrmagpie: madrat based MAgPIE Input Data Library",
-  "version": "0.27.5",
+  "version": "0.28.0",
   "description": "<p>Provides functions for MAgPIE country and cellular input data generation.<\/p>",
   "creators": [
     {
diff --git a/DESCRIPTION b/DESCRIPTION
index ce4cd64d4..33b695e59 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: mrmagpie
 Type: Package
 Title: madrat based MAgPIE Input Data Library
-Version: 0.27.5
-Date: 2020-12-07
+Version: 0.28.0
+Date: 2020-12-11
 Authors@R: c(person("Kristine", "Karstens", email = "karstens@pik-potsdam.de", role = c("aut","cre")),
              person("Jan Philipp", "Dietrich", email = "dietrich@pik-potsdam.de", role = "aut"),
              person("David", "Chen", role = "aut"),
diff --git a/README.md b/README.md
index 25fa9f8da..63b40746e 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # madrat based MAgPIE Input Data Library
 
-R package **mrmagpie**, version **0.27.5**
+R package **mrmagpie**, version **0.28.0**
 
   
 
@@ -38,9 +38,9 @@ In case of questions / problems please contact Kristine Karstens <karstens@pik-p
 
 To cite package **mrmagpie** in publications use:
 
-Karstens K, Dietrich J, Chen D, Windisch M, Alves M, Beier F, v. Jeetze P, Mishra A,
-Humpenoeder F (2020). _mrmagpie: madrat based MAgPIE Input Data Library_. R package
-version 0.27.5.
+Karstens K, Dietrich J, Chen D, Windisch M, Alves M, Beier F, v.
+Jeetze P, Mishra A, Humpenoeder F (2020). _mrmagpie: madrat
+based MAgPIE Input Data Library_. R package version 0.28.0.
 
 A BibTeX entry for LaTeX users is
 
@@ -49,7 +49,7 @@ A BibTeX entry for LaTeX users is
   title = {mrmagpie: madrat based MAgPIE Input Data Library},
   author = {Kristine Karstens and Jan Philipp Dietrich and David Chen and Michael Windisch and Marcos Alves and Felicitas Beier and Patrick {v. Jeetze} and Abhijeet Mishra and Florian Humpenoeder},
   year = {2020},
-  note = {R package version 0.27.5},
+  note = {R package version 0.28.0},
 }
 ```