diff --git a/example_microservices/nonreactive_example/patient-ms/pom.xml b/example_microservices/nonreactive_example/patient-ms/pom.xml
index a2ddf41..ceea9f1 100644
--- a/example_microservices/nonreactive_example/patient-ms/pom.xml
+++ b/example_microservices/nonreactive_example/patient-ms/pom.xml
@@ -30,7 +30,7 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-api</artifactId>
-      <version>2.11.2</version>
+      <version>2.16.0</version>
     </dependency>
 
     <dependency>