diff --git a/config/checkstyle/checkstyle.xml b/config/checkstyle/checkstyle.xml
index 23c7eb61..f077801a 100644
--- a/config/checkstyle/checkstyle.xml
+++ b/config/checkstyle/checkstyle.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
-		"http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
+		"https://www.puppycrawl.com/dtds/configuration_1_3.dtd">
 <module name="Checker">
 	<!-- Suppressions -->
 	<module name="SuppressionFilter">
diff --git a/config/checkstyle/suppressions.xml b/config/checkstyle/suppressions.xml
index 915c20fb..cf19e974 100644
--- a/config/checkstyle/suppressions.xml
+++ b/config/checkstyle/suppressions.xml
@@ -1,6 +1,6 @@
 <?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 files=".+Application\.java" checks="HideUtilityClassConstructor"/>
 	<suppress files=".+Configuration\.java" checks="HideUtilityClassConstructor"/>
diff --git a/pom.xml b/pom.xml
index 09c213e2..b3c12c75 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,5 +1,5 @@
 <?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">
+<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/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 
 	<groupId>org.springframework.session</groupId>
@@ -7,7 +7,7 @@
 	<version>2.1.2.BUILD-SNAPSHOT</version>
 
 	<name>Spring Session MongoDB</name>
-	<url>http://spring.io/projects/spring-session-data-mongodb</url>
+	<url>https://spring.io/projects/spring-session-data-mongodb</url>
 	<description>
 		Persist session data in MongoDB
 	</description>
@@ -99,7 +99,7 @@
 			<repositories>
 				<repository>
 					<id>spring-libs-snapshot</id>
-					<url>http://repo.spring.io/libs-snapshot</url>
+					<url>https://repo.spring.io/libs-snapshot</url>
 				</repository>
 			</repositories>
 		</profile>
@@ -223,7 +223,7 @@
 										<archives>*:*:*:*@zip zip.name:spring-session-data-mongodb, zip.displayname:Spring Session MongoDB, zip.deployed:false</archives>
 									</deployProperties>
 									<publisher>
-										<contextUrl>http://repo.spring.io</contextUrl>
+										<contextUrl>https://repo.spring.io</contextUrl>
 										<username>{{USERNAME}}</username>
 										<password>{{PASSWORD}}</password>
 										<repoKey>libs-milestone-local</repoKey>
@@ -258,7 +258,7 @@
 										<archives>*:*:*:*@zip zip.name:spring-session-data-mongodb, zip.displayname:Spring Session MongoDB, zip.deployed:false</archives>
 									</deployProperties>
 									<publisher>
-										<contextUrl>http://repo.spring.io</contextUrl>
+										<contextUrl>https://repo.spring.io</contextUrl>
 										<username>{{USERNAME}}</username>
 										<password>{{PASSWORD}}</password>
 										<repoKey>libs-release-local</repoKey>
@@ -648,8 +648,8 @@
 					<quiet>true</quiet>
 					<additionalparam>-Xdoclint:none</additionalparam>
 					<links>
-						<link>http://static.springframework.org/spring/docs/4.1.x/javadoc-api</link>
-						<link>http://docs.oracle.com/javase/6/docs/api</link>
+						<link>https://docs.spring.io/spring/docs/4.1.x/javadoc-api</link>
+						<link>https://docs.oracle.com/javase/6/docs/api</link>
 					</links>
 				</configuration>
 			</plugin>
diff --git a/settings.xml b/settings.xml
index cf86357e..829f33c3 100644
--- a/settings.xml
+++ b/settings.xml
@@ -1,7 +1,7 @@
 <settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
 		  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 		  xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
-                      http://maven.apache.org/xsd/settings-1.0.0.xsd">
+                      https://maven.apache.org/xsd/settings-1.0.0.xsd">
 
 	<servers>
 		<server>