diff --git a/pom.xml b/pom.xml
index 85ed37c..a6d95f0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,7 +16,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <slf4j.version>1.7.12</slf4j.version>
+        <slf4j.version>1.7.28</slf4j.version>
         <log4j.version>2.2</log4j.version>
         <junit.version>4.12</junit.version>
     </properties>