diff --git a/7.2.20/bpm-web/pom.xml b/7.2.20/bpm-web/pom.xml
index ed54bbf..6d4ed23 100644
--- a/7.2.20/bpm-web/pom.xml
+++ b/7.2.20/bpm-web/pom.xml
@@ -238,7 +238,7 @@
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-core</artifactId>
-			<version>1.2.3</version>
+			<version>1.2.9</version>
 		</dependency>
 		<dependency>
 			<groupId>org.checkerframework</groupId>