diff --git a/.buildlibrary b/.buildlibrary
index acda807..22e0c9b 100644
--- a/.buildlibrary
+++ b/.buildlibrary
@@ -1,4 +1,4 @@
-ValidationKey: '122203328'
+ValidationKey: '1222642778871'
 AcceptedWarnings:
 - 'Warning: package ''.*'' was built under R version'
 - 'Warning: namespace ''.*'' is not available and has been replaced'
diff --git a/CITATION.cff b/CITATION.cff
index 0b185c8..47041c4 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -2,8 +2,8 @@ cff-version: 1.2.0
 message: If you use this software, please cite it using the metadata from this file.
 type: software
 title: 'magclass: Data Class and Tools for Handling Spatial-Temporal Data'
-version: 6.15.2
-date-released: '2024-05-21'
+version: 6.15.2.9001
+date-released: '2024-05-28'
 abstract: Data class for increased interoperability working with spatial-temporal
   data together with corresponding functions and methods (conversions, basic calculations
   and basic data manipulation). The class distinguishes between spatial, temporal
diff --git a/DESCRIPTION b/DESCRIPTION
index 824c547..8156dc5 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Type: Package
 Package: magclass
 Title: Data Class and Tools for Handling Spatial-Temporal Data
-Version: 6.15.2
-Date: 2024-05-21
+Version: 6.15.2.9001
+Date: 2024-05-28
 Authors@R: c(
     person("Jan Philipp", "Dietrich", , "dietrich@pik-potsdam.de", 
     comment = c(affiliation = "Potsdam Institute for Climate Impact Research", ORCID = "0000-0002-4309-6431"), role = c("aut", "cre")),
diff --git a/README.md b/README.md
index c125de9..1a838e6 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Data Class and Tools for Handling Spatial-Temporal Data
 
-R package **magclass**, version **6.15.2**
+R package **magclass**, version **6.15.2.9001**
 
 [![CRAN status](https://www.r-pkg.org/badges/version/magclass)](https://cran.r-project.org/package=magclass) [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.1158580.svg)](https://doi.org/10.5281/zenodo.1158580) [![R build status](https://github.com/pik-piam/magclass/workflows/check/badge.svg)](https://github.com/pik-piam/magclass/actions) [![codecov](https://codecov.io/gh/pik-piam/magclass/branch/master/graph/badge.svg)](https://app.codecov.io/gh/pik-piam/magclass) [![r-universe](https://pik-piam.r-universe.dev/badges/magclass)](https://pik-piam.r-universe.dev/builds)
 
@@ -56,7 +56,7 @@ In case of questions / problems please contact Jan Philipp Dietrich <dietrich@pi
 
 To cite package **magclass** in publications use:
 
-Dietrich J, Bodirsky B, Bonsch M, Humpenoeder F, Bi S, Karstens K, Leip D, Sauer P (2024). _magclass: Data Class and Tools for Handling Spatial-Temporal Data_. doi: 10.5281/zenodo.1158580 (URL: https://doi.org/10.5281/zenodo.1158580), R package version 6.15.2, <URL: https://github.com/pik-piam/magclass>.
+Dietrich J, Bodirsky B, Bonsch M, Humpenoeder F, Bi S, Karstens K, Leip D, Sauer P (2024). _magclass: Data Class and Tools for Handling Spatial-Temporal Data_. doi:10.5281/zenodo.1158580 <https://doi.org/10.5281/zenodo.1158580>, R package version 6.15.2.9001, <https://github.com/pik-piam/magclass>.
 
 A BibTeX entry for LaTeX users is
 
@@ -65,7 +65,7 @@ A BibTeX entry for LaTeX users is
   title = {magclass: Data Class and Tools for Handling Spatial-Temporal Data},
   author = {Jan Philipp Dietrich and Benjamin Leon Bodirsky and Markus Bonsch and Florian Humpenoeder and Stephen Bi and Kristine Karstens and Debbora Leip and Pascal Sauer},
   year = {2024},
-  note = {R package version 6.15.2},
+  note = {R package version 6.15.2.9001},
   doi = {10.5281/zenodo.1158580},
   url = {https://github.com/pik-piam/magclass},
 }