diff --git a/map-reduce-java/customer_first_and_last_order_dates/pom.xml b/map-reduce-java/customer_first_and_last_order_dates/pom.xml
index 3bfa3d7..eac9a2e 100644
--- a/map-reduce-java/customer_first_and_last_order_dates/pom.xml
+++ b/map-reduce-java/customer_first_and_last_order_dates/pom.xml
@@ -7,7 +7,7 @@
     <version>1.0</version>
     <packaging>jar</packaging>
     <name>customer_first_and_last_order_dates</name>
-    <url>http://maven.apache.org</url>
+    <url>https://maven.apache.org</url>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
@@ -28,7 +28,7 @@
         <repository>
             <id>org.springsource.maven.milestone</id>
             <name>SpringSource Maven Milestone Repository</name>
-            <url>http://repo.springsource.org/libs-milestone</url>
+            <url>https://repo.springsource.org/libs-milestone</url>
         </repository>
     </repositories>
     <dependencies>
diff --git a/map-reduce-java/taxpaid_by_postalcode/pom.xml b/map-reduce-java/taxpaid_by_postalcode/pom.xml
index 2a476b8..85b416a 100644
--- a/map-reduce-java/taxpaid_by_postalcode/pom.xml
+++ b/map-reduce-java/taxpaid_by_postalcode/pom.xml
@@ -8,7 +8,7 @@
   <packaging>jar</packaging>
 
   <name>taxpaid_by_postalcode</name>
-  <url>http://maven.apache.org</url>
+  <url>https://maven.apache.org</url>
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -17,7 +17,7 @@
         <repository>
             <id>org.springsource.maven.milestone</id>
             <name>SpringSource Maven Milestone Repository</name>
-            <url>http://repo.springsource.org/libs-milestone</url>
+            <url>https://repo.springsource.org/libs-milestone</url>
         </repository>
     </repositories>
     <dependencies>
diff --git a/spring-data-jdbc/spring-jdbc-topten-business-zipcode/pom.xml b/spring-data-jdbc/spring-jdbc-topten-business-zipcode/pom.xml
index 806bbde..55b4135 100644
--- a/spring-data-jdbc/spring-jdbc-topten-business-zipcode/pom.xml
+++ b/spring-data-jdbc/spring-jdbc-topten-business-zipcode/pom.xml
@@ -8,7 +8,7 @@
   <packaging>jar</packaging>
 
   <name>spring-jdbc-topten-business-zipcode</name>
-  <url>http://maven.apache.org</url>
+  <url>https://maven.apache.org</url>
 
 <properties>
 		<maven.test.failure.ignore>true</maven.test.failure.ignore>
diff --git a/spring-hadoop-wordcount-gphd/pom.xml b/spring-hadoop-wordcount-gphd/pom.xml
index a9b3541..f59e90c 100644
--- a/spring-hadoop-wordcount-gphd/pom.xml
+++ b/spring-hadoop-wordcount-gphd/pom.xml
@@ -17,7 +17,7 @@
         <repository>
             <id>spring-releases</id>
             <name>SpringSource Releases</name>
-            <url>http://repo.spring.io/libs-release</url>
+            <url>https://repo.spring.io/libs-release</url>
         </repository>
     </repositories>
 
diff --git a/spring-hadoop/pom.xml b/spring-hadoop/pom.xml
index e30bac0..42c4694 100644
--- a/spring-hadoop/pom.xml
+++ b/spring-hadoop/pom.xml
@@ -9,7 +9,7 @@
 
 	<name>spring-hadoop</name>
 
-	<url>http://maven.apache.org</url>
+	<url>https://maven.apache.org</url>
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>