diff --git a/mixpanel-java-extension-jackson/pom.xml b/mixpanel-java-extension-jackson/pom.xml
index 190e475..ebb091b 100644
--- a/mixpanel-java-extension-jackson/pom.xml
+++ b/mixpanel-java-extension-jackson/pom.xml
@@ -41,7 +41,7 @@
UTF-8
1.8
1.8
- 2.20.0
+ 2.21.1