diff --git a/lect-engine/pom.xml b/lect-engine/pom.xml
index c273c30..6981909 100644
--- a/lect-engine/pom.xml
+++ b/lect-engine/pom.xml
@@ -35,7 +35,7 @@
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-simple</artifactId>
-			<version>1.7.21</version>
+			<version>1.7.30</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>