diff --git a/pom.xml b/pom.xml
index 340338566c..3dd7662aee 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,7 +15,7 @@
    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/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="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
   <parent>
     <groupId>org.apache.commons</groupId>
     <artifactId>commons-parent</artifactId>
diff --git a/src/assembly/bin.xml b/src/assembly/bin.xml
index 87b434453c..efea74cc7c 100644
--- a/src/assembly/bin.xml
+++ b/src/assembly/bin.xml
@@ -16,7 +16,7 @@
 -->
 <assembly xmlns="http://maven.apache.org/ASSEMBLY/2.2.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/ASSEMBLY/2.2.0 http://maven.apache.org/xsd/assembly-2.2.0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/ASSEMBLY/2.2.0 https://maven.apache.org/xsd/assembly-2.2.0.xsd">
     <id>bin</id>
     <formats>
         <format>tar.gz</format>
diff --git a/src/assembly/src.xml b/src/assembly/src.xml
index 4cead6dc30..64edccd6cf 100644
--- a/src/assembly/src.xml
+++ b/src/assembly/src.xml
@@ -16,7 +16,7 @@
 -->
 <assembly xmlns="http://maven.apache.org/ASSEMBLY/2.2.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/ASSEMBLY/2.2.0 http://maven.apache.org/xsd/assembly-2.2.0.xsd">
+    xsi:schemaLocation="http://maven.apache.org/ASSEMBLY/2.2.0 https://maven.apache.org/xsd/assembly-2.2.0.xsd">
     <id>src</id>
     <formats>
         <format>tar.gz</format>