diff --git a/orthopairs/pom.xml b/orthopairs/pom.xml
index 35732ad68..249c52dda 100644
--- a/orthopairs/pom.xml
+++ b/orthopairs/pom.xml
@@ -32,7 +32,7 @@
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-core</artifactId>
-			<version>2.11.0</version>
+			<version>2.13.2</version>
 		</dependency>
 
 		<!-- Test dependencies -->