diff --git a/modules/openapi-generator/src/main/resources/java-undertow-server/pom.mustache b/modules/openapi-generator/src/main/resources/java-undertow-server/pom.mustache
index 9ad7d579940..ead7f7e3c7d 100644
--- a/modules/openapi-generator/src/main/resources/java-undertow-server/pom.mustache
+++ b/modules/openapi-generator/src/main/resources/java-undertow-server/pom.mustache
@@ -27,11 +27,11 @@
         <version.encoder>1.2</version.encoder>
         <version.metrics>3.1.2</version.metrics>
         <version.logback>1.2.0</version.logback>
-        <version.junit>4.13</version.junit>
+        <version.junit>4.13.1</version.junit>
         <version.mockito>2.1.0-beta.124</version.mockito>
-        <version.undertow>1.4.0.Final</version.undertow>
+        <version.undertow>2.1.6.Final</version.undertow>
         <version.jsonpath>2.2.0</version.jsonpath>
-        <version.httpclient>4.5.2</version.httpclient>
+        <version.httpclient>4.5.13</version.httpclient>
         <version.httpasyncclient>4.1.2</version.httpasyncclient>
         <version.swagger>1.5.10</version.swagger>
     </properties>
diff --git a/samples/server/petstore/java-undertow/pom.xml b/samples/server/petstore/java-undertow/pom.xml
index 53ccffba47d..3e18815a1d1 100644
--- a/samples/server/petstore/java-undertow/pom.xml
+++ b/samples/server/petstore/java-undertow/pom.xml
@@ -27,11 +27,11 @@
         <version.encoder>1.2</version.encoder>
         <version.metrics>3.1.2</version.metrics>
         <version.logback>1.2.0</version.logback>
-        <version.junit>4.13</version.junit>
+        <version.junit>4.13.1</version.junit>
         <version.mockito>2.1.0-beta.124</version.mockito>
-        <version.undertow>1.4.0.Final</version.undertow>
+        <version.undertow>2.1.6.Final</version.undertow>
         <version.jsonpath>2.2.0</version.jsonpath>
-        <version.httpclient>4.5.2</version.httpclient>
+        <version.httpclient>4.5.13</version.httpclient>
         <version.httpasyncclient>4.1.2</version.httpasyncclient>
         <version.swagger>1.5.10</version.swagger>
     </properties>