diff --git a/s3auth-relay/src/it/non-daemon/pom.xml b/s3auth-relay/src/it/non-daemon/pom.xml
index 0f79b013..a40ba150 100644
--- a/s3auth-relay/src/it/non-daemon/pom.xml
+++ b/s3auth-relay/src/it/non-daemon/pom.xml
@@ -47,7 +47,7 @@ OF THE POSSIBILITY OF SUCH DAMAGE.
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>build-helper-maven-plugin</artifactId>
-        <version>3.4.0</version>
+        <version>3.5.0</version>
         <executions>
           <execution>
             <id>reserve-port</id>
diff --git a/s3auth-rest/pom.xml b/s3auth-rest/pom.xml
index a564ead1..17283581 100644
--- a/s3auth-rest/pom.xml
+++ b/s3auth-rest/pom.xml
@@ -221,7 +221,7 @@ OF THE POSSIBILITY OF SUCH DAMAGE.
           <plugin>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>build-helper-maven-plugin</artifactId>
-            <version>3.4.0</version>
+            <version>3.5.0</version>
             <executions>
               <execution>
                 <id>takes-port</id>