diff --git a/CITATION.cff b/CITATION.cff
index 1d8d084..c5bfcd2 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -8,7 +8,7 @@ message: 'To cite package "volcalc" in publications use:'
 type: software
 license: MIT
 title: 'volcalc: Calculate Volatility of Chemical Compounds'
-version: 1.0.2
+version: 2.0.0
 abstract: Use this package to calculate estimated volatility values for individual
   compounds of interest or for all compounds in a pathway. Calculation uses the SIMPOL
   method (Prankow and Asher, 2008), and is only currently applicable to compounds
diff --git a/inst/CITATION b/inst/CITATION
index f578013..df950d3 100644
--- a/inst/CITATION
+++ b/inst/CITATION
@@ -5,7 +5,7 @@ c(
     author = c(person("Kristina", "Riemer", comment = c(ORCID = "0000-0003-3802-3331")),
                person("Eric R.", "Scott", comment = c(ORCID = "0000-0002-7430-7879"))), 
     year = "2023",
-    note = "R package version 1.0.2",
+    note = "R package version 2.0.0",
     doi = "10.5281/zenodo.8015155",
     header = "To cite volcalc in publications please use:" 
   ),