diff --git a/pom.xml b/pom.xml
index 1f57b5a..831e3b0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -77,7 +77,7 @@
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-log4j12</artifactId>
-      <version>1.7.12</version>
+      <version>1.7.34</version>
     </dependency>
     <dependency>
       <groupId>log4j</groupId>