diff --git a/spring-cloud-task-samples/batch-events/.mvn/wrapper/maven-wrapper.properties b/spring-cloud-task-samples/batch-events/.mvn/wrapper/maven-wrapper.properties
index a3f9f1872..a928fc141 100644
--- a/spring-cloud-task-samples/batch-events/.mvn/wrapper/maven-wrapper.properties
+++ b/spring-cloud-task-samples/batch-events/.mvn/wrapper/maven-wrapper.properties
@@ -1 +1,2 @@
-distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
+wrapperVersion=3.3.4
+distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.9.16/apache-maven-3.9.16-bin.zip
diff --git a/spring-cloud-task-samples/batch-job/.mvn/wrapper/maven-wrapper.properties b/spring-cloud-task-samples/batch-job/.mvn/wrapper/maven-wrapper.properties
index a3f9f1872..a928fc141 100644
--- a/spring-cloud-task-samples/batch-job/.mvn/wrapper/maven-wrapper.properties
+++ b/spring-cloud-task-samples/batch-job/.mvn/wrapper/maven-wrapper.properties
@@ -1 +1,2 @@
-distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
+wrapperVersion=3.3.4
+distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.9.16/apache-maven-3.9.16-bin.zip
diff --git a/spring-cloud-task-samples/jpa-sample/.mvn/wrapper/maven-wrapper.properties b/spring-cloud-task-samples/jpa-sample/.mvn/wrapper/maven-wrapper.properties
index a3f9f1872..a928fc141 100644
--- a/spring-cloud-task-samples/jpa-sample/.mvn/wrapper/maven-wrapper.properties
+++ b/spring-cloud-task-samples/jpa-sample/.mvn/wrapper/maven-wrapper.properties
@@ -1 +1,2 @@
-distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
+wrapperVersion=3.3.4
+distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.9.16/apache-maven-3.9.16-bin.zip
diff --git a/spring-cloud-task-samples/multiple-datasources/.mvn/wrapper/maven-wrapper.properties b/spring-cloud-task-samples/multiple-datasources/.mvn/wrapper/maven-wrapper.properties
index a3f9f1872..a928fc141 100644
--- a/spring-cloud-task-samples/multiple-datasources/.mvn/wrapper/maven-wrapper.properties
+++ b/spring-cloud-task-samples/multiple-datasources/.mvn/wrapper/maven-wrapper.properties
@@ -1 +1,2 @@
-distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
+wrapperVersion=3.3.4
+distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.9.16/apache-maven-3.9.16-bin.zip
diff --git a/spring-cloud-task-samples/single-step-batch-job/.mvn/wrapper/maven-wrapper.properties b/spring-cloud-task-samples/single-step-batch-job/.mvn/wrapper/maven-wrapper.properties
index a3f9f1872..a928fc141 100644
--- a/spring-cloud-task-samples/single-step-batch-job/.mvn/wrapper/maven-wrapper.properties
+++ b/spring-cloud-task-samples/single-step-batch-job/.mvn/wrapper/maven-wrapper.properties
@@ -1 +1,2 @@
-distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
+wrapperVersion=3.3.4
+distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.9.16/apache-maven-3.9.16-bin.zip
diff --git a/spring-cloud-task-samples/task-events/.mvn/wrapper/maven-wrapper.properties b/spring-cloud-task-samples/task-events/.mvn/wrapper/maven-wrapper.properties
index a3f9f1872..a928fc141 100644
--- a/spring-cloud-task-samples/task-events/.mvn/wrapper/maven-wrapper.properties
+++ b/spring-cloud-task-samples/task-events/.mvn/wrapper/maven-wrapper.properties
@@ -1 +1,2 @@
-distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
+wrapperVersion=3.3.4
+distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.9.16/apache-maven-3.9.16-bin.zip
diff --git a/spring-cloud-task-samples/task-observations/.mvn/wrapper/maven-wrapper.properties b/spring-cloud-task-samples/task-observations/.mvn/wrapper/maven-wrapper.properties
index b7cb93e70..2ca22d5e5 100644
--- a/spring-cloud-task-samples/task-observations/.mvn/wrapper/maven-wrapper.properties
+++ b/spring-cloud-task-samples/task-observations/.mvn/wrapper/maven-wrapper.properties
@@ -1,2 +1,2 @@
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.4/apache-maven-3.8.4-bin.zip
-wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.16/apache-maven-3.9.16-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.3.4/maven-wrapper-3.3.4.jar