diff --git a/pom.xml b/pom.xml
index 8d85944..b212200 100644
--- a/pom.xml
+++ b/pom.xml
@@ -250,7 +250,7 @@
         <dependency>
             <groupId>com.thetransactioncompany</groupId>
             <artifactId>jsonrpc2-client</artifactId>
-            <version>2.1</version>
+            <version>2.1.1</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/org.hamcrest/hamcrest -->