diff --git a/CHANGELOG.md b/CHANGELOG.md
index 70a7c18..090f9c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 # Changelog
 
+## [2.2.0] - 2022-12-07
 - added option `--exclude-punctuation`
 
 ## [2.1.0] - 2022-12-01
diff --git a/pom.xml b/pom.xml
index d701219..20dcd4c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>groupId</groupId>
     <artifactId>totalngrams</artifactId>
-    <version>2.1.0</version>
+    <version>2.2.0</version>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/src/main/java/org/ids_mannheim/TotalNGrams.java b/src/main/java/org/ids_mannheim/TotalNGrams.java
index 4efea34..b2fccc4 100644
--- a/src/main/java/org/ids_mannheim/TotalNGrams.java
+++ b/src/main/java/org/ids_mannheim/TotalNGrams.java
@@ -17,7 +17,7 @@
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 
-@CommandLine.Command(mixinStandardHelpOptions = true, name = "totalngrams", version = "2.1.0", description = "sum ngram counts from KorAP-XML, CoNLL-U files and frequency lists")
+@CommandLine.Command(mixinStandardHelpOptions = true, name = "totalngrams", version = "2.2.0", description = "sum ngram counts from KorAP-XML, CoNLL-U files and frequency lists")
 
 public class TotalNGrams implements Callable<Integer> {
     static public final Logger logger;