diff --git a/examples/pom.xml b/examples/pom.xml
index 1bc7193ee4..5e2df9c48d 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -130,7 +130,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.3.7</version> <!-- do not upgrade to 1.4 -->
+            <version>1.3.12</version> <!-- do not upgrade to 1.4 -->
         </dependency>
         <dependency>
             <groupId>org.codehaus.janino</groupId>