diff --git a/pom.xml b/pom.xml
index 04af79f..18af5e7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -50,7 +50,7 @@
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-log4j12</artifactId>
-      <version>1.6.4</version>
+      <version>1.7.34</version>
     </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>