diff --git a/social_network_backend/pom.xml b/social_network_backend/pom.xml
index 1fb2a66..5269171 100644
--- a/social_network_backend/pom.xml
+++ b/social_network_backend/pom.xml
@@ -18,7 +18,7 @@
     <dependency>
       <groupId>io.undertow</groupId>
       <artifactId>undertow-core</artifactId>
-      <version>2.0.23</version>
+      <version>2.1.6.Final</version>
     </dependency>
     <dependency>
       <groupId>io.undertow</groupId>