diff --git a/v1_15_2_OLD/pom.xml b/v1_15_2_OLD/pom.xml
index 5f6ae69..a625d0c 100644
--- a/v1_15_2_OLD/pom.xml
+++ b/v1_15_2_OLD/pom.xml
@@ -97,7 +97,7 @@
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-lang3</artifactId>
-			<version>3.9</version>
+			<version>3.18.0</version>
 		</dependency>
 		<dependency>
 			<groupId>org.junit.jupiter</groupId>