diff --git a/pom.xml b/pom.xml
index 6e5fbb52f2..f4bfae6be6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -426,7 +426,7 @@
     <junit.version>4.12</junit.version>
 
     <!-- logging libraries -->
-    <slf4j.version>1.7.7</slf4j.version>
+    <slf4j.version>1.7.9</slf4j.version>
     <logback.version>1.1.2</logback.version>
     <servlet.version>2.5</servlet.version>
     <guice.version>3.0</guice.version>