diff --git a/gradle.properties b/gradle.properties
index d176adc..d0630c1 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -13,7 +13,7 @@
 # limitations under the License.
 #
 
-release_version=2.1.0
+release_version=2.2.0
 kotlin_version=1.8.22
 description = 'th2 codec xml via xsd'