diff --git a/checkstyle/suppressions.xml b/checkstyle/suppressions.xml
index 3875722d5..59845ab3b 100644
--- a/checkstyle/suppressions.xml
+++ b/checkstyle/suppressions.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE suppressions PUBLIC
 		"-//Puppy Crawl//DTD Suppressions 1.1//EN"
-		"http://www.puppycrawl.com/dtds/suppressions_1_1.dtd">
+		"https://www.puppycrawl.com/dtds/suppressions_1_1.dtd">
 <suppressions>
 	<suppress checks="RegexpHeader" files="package-info\.java"/>
 </suppressions>
diff --git a/pom.xml b/pom.xml
index fe3315e80..b21af3f6e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,7 +15,7 @@
  | 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">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 
 	<groupId>org.springframework.data</groupId>
diff --git a/spring-data-neo4j-distribution/pom.xml b/spring-data-neo4j-distribution/pom.xml
index 9702cf296..fc7557987 100644
--- a/spring-data-neo4j-distribution/pom.xml
+++ b/spring-data-neo4j-distribution/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <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">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/spring-data-neo4j/pom.xml b/spring-data-neo4j/pom.xml
index bec009dbb..7c373dea2 100644
--- a/spring-data-neo4j/pom.xml
+++ b/spring-data-neo4j/pom.xml
@@ -15,7 +15,7 @@
  | 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">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/spring-data-neo4j/src/test/resources/xml-based-configuration-applicationContext.xml b/spring-data-neo4j/src/test/resources/xml-based-configuration-applicationContext.xml
index ebec8b65d..52ebb7b8f 100644
--- a/spring-data-neo4j/src/test/resources/xml-based-configuration-applicationContext.xml
+++ b/spring-data-neo4j/src/test/resources/xml-based-configuration-applicationContext.xml
@@ -4,10 +4,10 @@
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:mvc="http://www.springframework.org/schema/mvc"
        xmlns:context="http://www.springframework.org/schema/context"
-       xsi:schemaLocation="http://www.springframework.org/schema/data/neo4j http://www.springframework.org/schema/data/neo4j/spring-neo4j.xsd
-		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
-		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
-        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
+       xsi:schemaLocation="http://www.springframework.org/schema/data/neo4j https://www.springframework.org/schema/data/neo4j/spring-neo4j.xsd
+		http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd
+        http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
 
     <context:component-scan base-package="org.springframework.data.neo4j.web.controller,org.springframework.data.neo4j.web.service"/>
     <neo4j:repositories base-package="org.springframework.data.neo4j.web.repo" />