diff --git a/pom.xml b/pom.xml
index c7f94065..4fbc8d54 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,7 +17,7 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <signature.api.version>2.7-RC1</signature.api.version>
-        <slf4j.version>1.7.26</slf4j.version>
+        <slf4j.version>1.7.28</slf4j.version>
     </properties>
 
     <dependencyManagement>