diff --git a/lib/BUCK b/lib/BUCK
index 94639c3..9cdf06c 100644
--- a/lib/BUCK
+++ b/lib/BUCK
@@ -1,4 +1,4 @@
-# ***** This file was auto-generated at Mon, 25 Feb 2019 19:24:46 GMT. Do not edit this file manually. *****
+# ***** This file was auto-generated at Wed, 15 Jan 2020 23:12:41 GMT. Do not edit this file manually. *****
 # ***** Use onos-lib-gen *****
 
 pass_thru_pom(
diff --git a/tools/build/libgen/src/main/java/org/onosproject/libgen/AetherResolver.java b/tools/build/libgen/src/main/java/org/onosproject/libgen/AetherResolver.java
index 1850779..08da95a 100644
--- a/tools/build/libgen/src/main/java/org/onosproject/libgen/AetherResolver.java
+++ b/tools/build/libgen/src/main/java/org/onosproject/libgen/AetherResolver.java
@@ -55,7 +55,7 @@
  * Resolver capable of resolving Maven coordinates to a Maven artifact.
  */
 public class AetherResolver {
-    private static final String CENTRAL_URL = "http://repo1.maven.org/maven2/";
+    private static final String CENTRAL_URL = "https://repo1.maven.org/maven2/";
 
     private static RepositorySystem system;
     private static RepositorySystemSession session;
diff --git a/tools/build/onos-buck b/tools/build/onos-buck
index 7dab646..a6a5caf 100755
--- a/tools/build/onos-buck
+++ b/tools/build/onos-buck
@@ -5,7 +5,7 @@
 
 set -e
 
-BUCK_URL="http://repo1.maven.org/maven2/org/onosproject/onos-buck/v2018.02.09.01/buck-v2018.02.09.01.zip"
+BUCK_URL="https://repo1.maven.org/maven2/org/onosproject/onos-buck/v2018.02.09.01/buck-v2018.02.09.01.zip"
 BUCK_SHA="45d8bd28f441991257babf89f7a317edb3a2b536"
 
 # onos-yang-tools buck plugin version