diff --git a/java/ql/test/utils/flowtestcasegenerator/pom.xml b/java/ql/test/utils/flowtestcasegenerator/pom.xml
index b4fe0c309744..85da1a5185a6 100644
--- a/java/ql/test/utils/flowtestcasegenerator/pom.xml
+++ b/java/ql/test/utils/flowtestcasegenerator/pom.xml
@@ -72,7 +72,7 @@
     <dependency>
       <groupId>org.apache.shiro</groupId>
       <artifactId>shiro-core</artifactId>
-      <version>1.8.0</version>
+      <version>1.13.0</version>
     </dependency>
     <dependency>
       <groupId>org.apache.directory.api</groupId>