diff --git a/pom.xml b/pom.xml
index ec07c1b..805a8fa 100644
--- a/pom.xml
+++ b/pom.xml
@@ -200,7 +200,7 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
-            <version>1.6.4</version>
+            <version>1.7.30</version>
         </dependency>
         <dependency>
             <groupId>org.apache.jena</groupId>