diff --git a/samples/async/pom.xml b/samples/async/pom.xml
index 1f6543258..86f28a6db 100644
--- a/samples/async/pom.xml
+++ b/samples/async/pom.xml
@@ -41,7 +41,7 @@
     <plugins>
       <plugin>
         <artifactId>maven-war-plugin</artifactId>
-        <version>2.4</version>
+        <version>3.2.3</version>
         <configuration>
           <webResources>
             <resource>
diff --git a/samples/benchmark/pom.xml b/samples/benchmark/pom.xml
index a5e137d94..52a18b78e 100644
--- a/samples/benchmark/pom.xml
+++ b/samples/benchmark/pom.xml
@@ -98,7 +98,7 @@
     <plugins>
       <plugin>
         <artifactId>maven-war-plugin</artifactId>
-        <version>2.4</version>
+        <version>3.2.3</version>
         <configuration>
           <webResources>
             <resource>
diff --git a/samples/gamepad/pom.xml b/samples/gamepad/pom.xml
index b7c22ccc2..7eaa7158e 100644
--- a/samples/gamepad/pom.xml
+++ b/samples/gamepad/pom.xml
@@ -54,7 +54,7 @@
     <plugins>
       <plugin>
         <artifactId>maven-war-plugin</artifactId>
-        <version>2.4</version>
+        <version>3.2.3</version>
         <configuration>
           <webResources>
             <resource>
diff --git a/samples/hello/pom.xml b/samples/hello/pom.xml
index dc11e8ceb..bb14a1336 100644
--- a/samples/hello/pom.xml
+++ b/samples/hello/pom.xml
@@ -54,7 +54,7 @@
     <plugins>
       <plugin>
         <artifactId>maven-war-plugin</artifactId>
-        <version>2.4</version>
+        <version>3.2.3</version>
         <configuration>
           <webResources>
             <resource>
diff --git a/samples/kotlin/pom.xml b/samples/kotlin/pom.xml
index a531b1cf9..4b74c73a1 100644
--- a/samples/kotlin/pom.xml
+++ b/samples/kotlin/pom.xml
@@ -30,7 +30,7 @@
   <description>A sample application written in Kotlin and compiled by TeaVM</description>
 
   <properties>
-    <kotlin.version>1.4.30</kotlin.version>
+    <kotlin.version>1.5.10</kotlin.version>
   </properties>
 
   <dependencies>
@@ -107,7 +107,7 @@
       </plugin>
       <plugin>
         <artifactId>maven-war-plugin</artifactId>
-        <version>2.4</version>
+        <version>3.2.3</version>
         <configuration>
           <webResources>
             <resource>
diff --git a/samples/storage/pom.xml b/samples/storage/pom.xml
index 7a4f92b87..65ab1f66b 100644
--- a/samples/storage/pom.xml
+++ b/samples/storage/pom.xml
@@ -54,7 +54,7 @@
     <plugins>
       <plugin>
         <artifactId>maven-war-plugin</artifactId>
-        <version>2.4</version>
+        <version>3.2.3</version>
         <configuration>
           <webResources>
             <resource>
diff --git a/samples/video/pom.xml b/samples/video/pom.xml
index b8b97e84d..445613f7e 100644
--- a/samples/video/pom.xml
+++ b/samples/video/pom.xml
@@ -54,7 +54,7 @@
     <plugins>
       <plugin>
         <artifactId>maven-war-plugin</artifactId>
-        <version>2.4</version>
+        <version>3.2.3</version>
         <configuration>
           <webResources>
             <resource>