diff --git a/java/ql/test/utils/flowtestcasegenerator/pom.xml b/java/ql/test/utils/flowtestcasegenerator/pom.xml
index b4fe0c309744..80b05b564f5a 100644
--- a/java/ql/test/utils/flowtestcasegenerator/pom.xml
+++ b/java/ql/test/utils/flowtestcasegenerator/pom.xml
@@ -82,7 +82,7 @@
org.owasp.esapi
esapi
- 2.2.3.1
+ 2.5.3.1
com.unboundid