diff --git a/pom.xml b/pom.xml
index e0664b2..6d4d720 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
         <dependency>
             <groupId>org.msgpack</groupId>
             <artifactId>msgpack-core</artifactId>
-            <version>0.8.20</version>
+            <version>0.9.11</version>
         </dependency>
         <dependency>
             <groupId>no.tornado</groupId>