diff --git a/helix-admin-webapp/pom.xml b/helix-admin-webapp/pom.xml
index 9f7da0395d..0e9ad989af 100644
--- a/helix-admin-webapp/pom.xml
+++ b/helix-admin-webapp/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <groupId>org.apache.helix</groupId>
     <artifactId>helix</artifactId>
diff --git a/helix-agent/pom.xml b/helix-agent/pom.xml
index f66d9e369a..b9984fd3c8 100644
--- a/helix-agent/pom.xml
+++ b/helix-agent/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.helix</groupId>
diff --git a/helix-common/pom.xml b/helix-common/pom.xml
index 0308bb57fa..4c6062abc7 100644
--- a/helix-common/pom.xml
+++ b/helix-common/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <groupId>org.apache.helix</groupId>
     <artifactId>helix</artifactId>
diff --git a/helix-core/pom.xml b/helix-core/pom.xml
index 6f987e48b8..cb57a92829 100644
--- a/helix-core/pom.xml
+++ b/helix-core/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <groupId>org.apache.helix</groupId>
     <artifactId>helix</artifactId>
diff --git a/helix-front/pom.xml b/helix-front/pom.xml
index 3731c96667..b55ca96192 100644
--- a/helix-front/pom.xml
+++ b/helix-front/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <groupId>org.apache.helix</groupId>
     <artifactId>helix</artifactId>
diff --git a/helix-lock/pom.xml b/helix-lock/pom.xml
index d0a37fe719..89a908814f 100644
--- a/helix-lock/pom.xml
+++ b/helix-lock/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <groupId>org.apache.helix</groupId>
     <artifactId>helix</artifactId>
diff --git a/helix-rest/pom.xml b/helix-rest/pom.xml
index b2ac2bad6c..a169e718a2 100644
--- a/helix-rest/pom.xml
+++ b/helix-rest/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <groupId>org.apache.helix</groupId>
     <artifactId>helix</artifactId>
diff --git a/helix-view-aggregator/pom.xml b/helix-view-aggregator/pom.xml
index 4b1fc1886a..5f90da2d78 100644
--- a/helix-view-aggregator/pom.xml
+++ b/helix-view-aggregator/pom.xml
@@ -17,7 +17,7 @@ KIND, either express or implied.  See the License for the
 specific language governing permissions and limitations
 under the License.
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <groupId>org.apache.helix</groupId>
     <artifactId>helix</artifactId>
diff --git a/meta-client/pom.xml b/meta-client/pom.xml
index 578b3aff12..3ad8285efc 100644
--- a/meta-client/pom.xml
+++ b/meta-client/pom.xml
@@ -17,7 +17,7 @@ KIND, either express or implied.  See the License for the
 specific language governing permissions and limitations
 under the License.
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <groupId>org.apache.helix</groupId>
     <artifactId>helix</artifactId>
diff --git a/metadata-store-directory-common/pom.xml b/metadata-store-directory-common/pom.xml
index 1d3691d511..3a0a159713 100644
--- a/metadata-store-directory-common/pom.xml
+++ b/metadata-store-directory-common/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <groupId>org.apache.helix</groupId>
     <artifactId>helix</artifactId>
diff --git a/metrics-common/pom.xml b/metrics-common/pom.xml
index 6da2cf81b3..1703907508 100644
--- a/metrics-common/pom.xml
+++ b/metrics-common/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <groupId>org.apache.helix</groupId>
     <artifactId>helix</artifactId>
diff --git a/pom.xml b/pom.xml
index b121b11ff2..c346749a3a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
diff --git a/recipes/distributed-lock-manager/pom.xml b/recipes/distributed-lock-manager/pom.xml
index e91f8598ec..0c24ce75cd 100644
--- a/recipes/distributed-lock-manager/pom.xml
+++ b/recipes/distributed-lock-manager/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
diff --git a/recipes/pom.xml b/recipes/pom.xml
index 5f077e5e8e..e4d04b2043 100644
--- a/recipes/pom.xml
+++ b/recipes/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>org.apache.helix</groupId>
diff --git a/recipes/rabbitmq-consumer-group/pom.xml b/recipes/rabbitmq-consumer-group/pom.xml
index a48ae517d0..41ec8411b4 100644
--- a/recipes/rabbitmq-consumer-group/pom.xml
+++ b/recipes/rabbitmq-consumer-group/pom.xml
@@ -18,7 +18,7 @@
   ~ under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
diff --git a/recipes/rsync-replicated-file-system/pom.xml b/recipes/rsync-replicated-file-system/pom.xml
index a2321ce66a..8271347a82 100644
--- a/recipes/rsync-replicated-file-system/pom.xml
+++ b/recipes/rsync-replicated-file-system/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
diff --git a/recipes/service-discovery/pom.xml b/recipes/service-discovery/pom.xml
index 907f313e0a..524b54d621 100644
--- a/recipes/service-discovery/pom.xml
+++ b/recipes/service-discovery/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
diff --git a/recipes/task-execution/pom.xml b/recipes/task-execution/pom.xml
index f3317a0e72..9c348a9d70 100644
--- a/recipes/task-execution/pom.xml
+++ b/recipes/task-execution/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
diff --git a/website/0.9.9/pom.xml b/website/0.9.9/pom.xml
index 0825dee2ad..978a82fdc0 100644
--- a/website/0.9.9/pom.xml
+++ b/website/0.9.9/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
diff --git a/website/1.3.2/pom.xml b/website/1.3.2/pom.xml
index ef035d7726..685f25e5a0 100644
--- a/website/1.3.2/pom.xml
+++ b/website/1.3.2/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
diff --git a/website/1.4.3/pom.xml b/website/1.4.3/pom.xml
index d9e532847e..8d6227813d 100644
--- a/website/1.4.3/pom.xml
+++ b/website/1.4.3/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
diff --git a/website/pom.xml b/website/pom.xml
index 6f0855613b..1c731edd0b 100644
--- a/website/pom.xml
+++ b/website/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <groupId>org.apache.helix</groupId>
     <artifactId>helix</artifactId>
diff --git a/zookeeper-api/pom.xml b/zookeeper-api/pom.xml
index 82e26a4479..cb3e692f12 100644
--- a/zookeeper-api/pom.xml
+++ b/zookeeper-api/pom.xml
@@ -17,7 +17,7 @@
   ~ specific language governing permissions and limitations
   ~ under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <parent>
     <groupId>org.apache.helix</groupId>
     <artifactId>helix</artifactId>