diff --git a/src/test/resources/infrastructure.xml b/src/test/resources/infrastructure.xml
index 1cddefb..f593941 100644
--- a/src/test/resources/infrastructure.xml
+++ b/src/test/resources/infrastructure.xml
@@ -2,8 +2,8 @@
 <beans xmlns="http://www.springframework.org/schema/beans"
 		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 		xmlns:ldap="http://www.springframework.org/schema/ldap"
-		xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
-		http://www.springframework.org/schema/ldap http://www.springframework.org/schema/ldap/spring-ldap.xsd">
+		xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/ldap https://www.springframework.org/schema/ldap/spring-ldap.xsd">
 
 	<ldap:context-source password="apassword" url="ldap://localhost:389" username="uid=admin"/>
 
diff --git a/src/test/resources/org/springframework/data/ldap/config/LdapNamespaceHandlerTests-context.xml b/src/test/resources/org/springframework/data/ldap/config/LdapNamespaceHandlerTests-context.xml
index 79b19b7..d59b106 100644
--- a/src/test/resources/org/springframework/data/ldap/config/LdapNamespaceHandlerTests-context.xml
+++ b/src/test/resources/org/springframework/data/ldap/config/LdapNamespaceHandlerTests-context.xml
@@ -2,8 +2,8 @@
 <beans xmlns="http://www.springframework.org/schema/beans"
 		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 		xmlns:data-ldap="http://www.springframework.org/schema/data/ldap"
-		xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
-		http://www.springframework.org/schema/data/ldap http://www.springframework.org/schema/data/ldap/spring-ldap.xsd">
+		xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/data/ldap https://www.springframework.org/schema/data/ldap/spring-ldap.xsd">
 
 	<import resource="classpath:infrastructure.xml" />
 
diff --git a/src/test/resources/org/springframework/data/ldap/repository/query/PartTreeLdapRepositoryQueryTests-context.xml b/src/test/resources/org/springframework/data/ldap/repository/query/PartTreeLdapRepositoryQueryTests-context.xml
index 77f359e..64c1a23 100644
--- a/src/test/resources/org/springframework/data/ldap/repository/query/PartTreeLdapRepositoryQueryTests-context.xml
+++ b/src/test/resources/org/springframework/data/ldap/repository/query/PartTreeLdapRepositoryQueryTests-context.xml
@@ -2,8 +2,8 @@
 <beans xmlns="http://www.springframework.org/schema/beans"
 		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 		xmlns:data-ldap="http://www.springframework.org/schema/data/ldap"
-		xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
-		http://www.springframework.org/schema/data/ldap http://www.springframework.org/schema/data/ldap/spring-ldap.xsd
+		xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/data/ldap https://www.springframework.org/schema/data/ldap/spring-ldap.xsd
 		">
 
 	<import resource="classpath:infrastructure.xml"/>