diff --git a/java/ql/test/utils/flowtestcasegenerator/pom.xml b/java/ql/test/utils/flowtestcasegenerator/pom.xml
index b4fe0c309744..e3528d231b1b 100644
--- a/java/ql/test/utils/flowtestcasegenerator/pom.xml
+++ b/java/ql/test/utils/flowtestcasegenerator/pom.xml
@@ -26,7 +26,7 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-core</artifactId>
-      <version>2.14.1</version>
+      <version>2.25.3</version>
     </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>