diff --git a/client/pom.xml b/client/pom.xml
index b8dffe65d4f..8808f4aafd7 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -948,7 +948,6 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.0.0</version>
                 <executions>
                     <execution>
                         <id>rebuild-war</id>
diff --git a/pom.xml b/pom.xml
index 17935c52692..0e35aa646ab 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
     <parent>
         <groupId>org.apache</groupId>
         <artifactId>apache</artifactId>
-        <version>11</version>
+        <version>27</version>
         <relativePath />
     </parent>
 
@@ -47,6 +47,7 @@
 
     <properties>
         <!-- keep in alphabetic order -->
+        <project.build.outputTimestamp>10</project.build.outputTimestamp>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <project.systemvm.template.location>https://download.cloudstack.org/systemvm</project.systemvm.template.location>
@@ -918,7 +919,6 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-release-plugin</artifactId>
-                    <version>${cs.release-plugin.version}</version>
                     <executions>
                         <execution>
                             <id>default</id>
diff --git a/tools/checkstyle/pom.xml b/tools/checkstyle/pom.xml
index 63f840d64f2..62b8f0879dd 100644
--- a/tools/checkstyle/pom.xml
+++ b/tools/checkstyle/pom.xml
@@ -25,12 +25,18 @@
     <version>4.23.0.0-SNAPSHOT</version>
 
     <properties>
+        <project.build.outputTimestamp>10</project.build.outputTimestamp>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     </properties>
 
     <build>
         <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>3.2.2</version>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-site-plugin</artifactId>