diff --git a/CHANGELOG.md b/CHANGELOG.md
index 24370ab..2c443e2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## [2.1.0] - unreleased
+## [2.1.0] - 2022-12-01
 - added script `GeneratePseudonymKey.groovy` to compute pseudonyms
 - added script `Pseudonymize.groovy` to pseudonymize tokens (and lemmas)
 - added script `FilterKeys.groovy` to filter pseudonymization keys to contain actually used tokens/lemmas only
diff --git a/src/main/java/org/ids_mannheim/TotalNGrams.java b/src/main/java/org/ids_mannheim/TotalNGrams.java
index 50b7028..bbbee83 100644
--- a/src/main/java/org/ids_mannheim/TotalNGrams.java
+++ b/src/main/java/org/ids_mannheim/TotalNGrams.java
@@ -17,9 +17,7 @@
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 
-
-@CommandLine.Command(mixinStandardHelpOptions = true,
-        name = "totalngrams", version = "2.0", description = "sum ngram counts from KorAP-XML, CoNLL-U files and frequency lists")
+@CommandLine.Command(mixinStandardHelpOptions = true, name = "totalngrams", version = "2.1.0", description = "sum ngram counts from KorAP-XML, CoNLL-U files and frequency lists")
 
 public class TotalNGrams implements Callable<Integer> {
     static public final Logger logger;