diff --git a/spring-cloud-function-samples/function-sample-azure/src/assembly/azure.xml b/spring-cloud-function-samples/function-sample-azure/src/assembly/azure.xml
index 85bb6a3a9..832d603a4 100644
--- a/spring-cloud-function-samples/function-sample-azure/src/assembly/azure.xml
+++ b/spring-cloud-function-samples/function-sample-azure/src/assembly/azure.xml
@@ -1,7 +1,7 @@
 <assembly
 	xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.3"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.3 http://maven.apache.org/xsd/assembly-1.1.3.xsd">
+	xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.3 https://maven.apache.org/xsd/assembly-1.1.3.xsd">
 	<id>azure</id>
 	<formats>
 		<format>zip</format>