diff --git a/eo-runtime/pom.xml b/eo-runtime/pom.xml
index 4258993acf..2f4d06d36d 100644
--- a/eo-runtime/pom.xml
+++ b/eo-runtime/pom.xml
@@ -53,7 +53,7 @@ SOFTWARE.
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.5.4</version>
+      <version>1.5.5</version>
       <scope>test</scope>
     </dependency>
     <dependency>