diff --git a/pom.xml b/pom.xml
index c4645b5..72dd211 100644
--- a/pom.xml
+++ b/pom.xml
@@ -83,7 +83,7 @@
         <dependency>
             <groupId>org.rrd4j</groupId>
             <artifactId>rrd4j</artifactId>
-            <version>3.1</version>
+            <version>3.6</version>
             <scope>provided</scope>
         </dependency>
         <dependency>