diff --git a/equinix-functional-test/pom.xml b/equinix-functional-test/pom.xml
index a2d5eeee..d369100c 100644
--- a/equinix-functional-test/pom.xml
+++ b/equinix-functional-test/pom.xml
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.4.12</version>
+            <version>1.5.9</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>