diff --git a/hraven-assembly/pom.xml b/hraven-assembly/pom.xml
index 3d51e3f..bf69f85 100644
--- a/hraven-assembly/pom.xml
+++ b/hraven-assembly/pom.xml
@@ -12,7 +12,7 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<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="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <parent>
     <groupId>com.twitter.hraven</groupId>
diff --git a/hraven-assembly/src/main/assembly/all.xml b/hraven-assembly/src/main/assembly/all.xml
index 2a4f5a3..6997b86 100644
--- a/hraven-assembly/src/main/assembly/all.xml
+++ b/hraven-assembly/src/main/assembly/all.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
-<assembly xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.1"
-          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-          xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.1 http://maven.apache.org/xsd/assembly-1.1.1.xsd">
+<assembly xmlns="https://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.1"
+          xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="https://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.1 https://maven.apache.org/xsd/assembly-1.1.1.xsd">
 <!--
 /**
  * Licensed to the Apache Software Foundation (ASF) under one
diff --git a/hraven-core/pom.xml b/hraven-core/pom.xml
index 65b1133..ced2886 100644
--- a/hraven-core/pom.xml
+++ b/hraven-core/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="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 
 <!--
 # Copyright 2016 Twitter, Inc.
diff --git a/hraven-etl/pom.xml b/hraven-etl/pom.xml
index 8ffa91a..6317222 100644
--- a/hraven-etl/pom.xml
+++ b/hraven-etl/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="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 
 <!--
 # Copyright 2013 Twitter, Inc.
diff --git a/pom.xml b/pom.xml
index f2f7c2a..46bba2e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
   See the License for the specific language governing permissions and
   limitations under the License. See accompanying LICENSE file.
 -->
-<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="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.twitter.hraven</groupId>
   <artifactId>hraven</artifactId>
@@ -105,7 +105,7 @@
      </repository>
      <repository>
        <id>twitter-twttr</id>
-       <url>http://maven.twttr.com/</url>
+       <url>https://maven.twttr.com/</url>
      </repository>
   </repositories>