diff --git a/pom.xml b/pom.xml
index 49796279..7b3d7ce0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>org.jgrapht</groupId>
             <artifactId>jgrapht-core</artifactId>
-            <version>1.3.1</version>
+            <version>1.5.2</version>
         </dependency>
         <dependency>
             <groupId>org.antlr</groupId>