diff --git a/NOTICE b/NOTICE
index 87f60f6b7..2e59a174c 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,5 +1,5 @@
 --------------------------------------------------------------------------------
-http://fess.codelibs.org/
+https://fess.codelibs.org/
 
 Copyright 2018 CodeLibs Project.
 
@@ -21,7 +21,7 @@ Elasticsearch
 Copyright 2009-2015 Elasticsearch
 
 This product includes software developed by The Apache Software
-Foundation (http://www.apache.org/).
+Foundation (https://www.apache.org/).
 --------------------------------------------------------------------------------
 https://github.com/lmenezes/elasticsearch-kopf
 
diff --git a/deps.xml b/deps.xml
index fed8cd6b9..9d3b7dd2a 100644
--- a/deps.xml
+++ b/deps.xml
@@ -10,7 +10,7 @@
 
 	<!-- Maven Repository -->
 	<property name="maven.snapshot.repo.url" value="https://oss.sonatype.org/content/repositories/snapshots" />
-	<property name="maven.release.repo.url" value="http://central.maven.org/maven2" />
+	<property name="maven.release.repo.url" value="https://central.maven.org/maven2" />
 
 	<target name="install.jars">
 		<mkdir dir="${target.dir}" />
diff --git a/pom.xml b/pom.xml
index ea7c60923..b74d3515b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
 	<licenses>
 		<license>
 			<name>The Apache Software License, Version 2.0</name>
-			<url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+			<url>https://www.apache.org/licenses/LICENSE-2.0.txt</url>
 			<distribution>repo</distribution>
 		</license>
 	</licenses>