diff --git a/samples/server/petstore/undertow/pom.xml b/samples/server/petstore/undertow/pom.xml
index f5e8cc42f31..1c47d93c10c 100644
--- a/samples/server/petstore/undertow/pom.xml
+++ b/samples/server/petstore/undertow/pom.xml
@@ -27,7 +27,7 @@
         <version.commons.codec>1.10</version.commons.codec>
         <version.encoder>1.2</version.encoder>
         <version.metrics>3.1.2</version.metrics>
-        <version.logback>1.1.7</version.logback>
+        <version.logback>1.1.11</version.logback>
         <version.junit>4.12</version.junit>
         <version.mockito>2.1.0-beta.124</version.mockito>
         <version.undertow>1.4.0.Final</version.undertow>