diff --git a/pom.xml b/pom.xml
index b3cfbccb..9606c481 100644
--- a/pom.xml
+++ b/pom.xml
@@ -242,7 +242,7 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
-            <version>1.7.5</version>
+            <version>1.7.34</version>
         </dependency>
         <dependency>
             <groupId>com.github.fge</groupId>