diff --git a/Tools/Frame_params/Parrot_Disco/README.md b/Tools/Frame_params/Parrot_Disco/README.md
index e040de6b20..3b33aad9ba 100644
--- a/Tools/Frame_params/Parrot_Disco/README.md
+++ b/Tools/Frame_params/Parrot_Disco/README.md
@@ -1,2 +1,2 @@
-Please see http://ardupilot.org/plane/docs/airframe-disco.html for
+Please see https://ardupilot.org/plane/docs/airframe-disco.html for
 more information on setting up a Parrot Disco
diff --git a/Tools/autotest/web-firmware/index.html b/Tools/autotest/web-firmware/index.html
index e193a89aea..d2f1479516 100644
--- a/Tools/autotest/web-firmware/index.html
+++ b/Tools/autotest/web-firmware/index.html
@@ -29,7 +29,7 @@ Servers by <a href="http://www.jDrones.com/">jDrones</a>
 <h2>ArduPilot Firmware builds</h2>
 
 These firmware builds are automatically generated by the
-<a href="http://autotest.ardupilot.org">ArduPilot autotest system</a>.<p>
+<a href="https://autotest.ardupilot.org">ArduPilot autotest system</a>.<p>
 
 <h2>License</h2>
 
diff --git a/Tools/autotest/web/index.html b/Tools/autotest/web/index.html
index 9ed46542e4..7aa01fd96d 100644
--- a/Tools/autotest/web/index.html
+++ b/Tools/autotest/web/index.html
@@ -9,7 +9,7 @@
 
 <body>
 <div id="main">
-<a href="http://autotest.ardupilot.org/">
+<a href="https://autotest.ardupilot.org/">
 <div id="logo">
 </div>
 </a>
diff --git a/Tools/scripts/build_autotest.sh b/Tools/scripts/build_autotest.sh
index 12697faa62..b14495ed0a 100755
--- a/Tools/scripts/build_autotest.sh
+++ b/Tools/scripts/build_autotest.sh
@@ -59,7 +59,7 @@ report() {
     cat <<EOF | mail -s 'build failed' drones-discuss@googlegroups.com
 A build of $d failed at `date`
 
-You can view the build logs at http://autotest.ardupilot.org/
+You can view the build logs at https://autotest.ardupilot.org/
 
 A log of the commits since the last attempted build is below
 
diff --git a/Tools/scripts/build_parameters.sh b/Tools/scripts/build_parameters.sh
index d119daf8a3..ce6a280d93 100755
--- a/Tools/scripts/build_parameters.sh
+++ b/Tools/scripts/build_parameters.sh
@@ -30,12 +30,12 @@ generate_parameters() {
 }
 
 
-generate_parameters ArduPlane http://plane.ardupilot.org plane.auth 'Plane Parameters'
+generate_parameters ArduPlane https://plane.ardupilot.org plane.auth 'Plane Parameters'
 
-generate_parameters ArduCopter http://copter.ardupilot.org copter.auth 'Copter Parameters'
+generate_parameters ArduCopter https://copter.ardupilot.org copter.auth 'Copter Parameters'
 
-generate_parameters APMrover2 http://rover.ardupilot.org rover.auth 'Rover Parameters'
+generate_parameters APMrover2 https://rover.ardupilot.org rover.auth 'Rover Parameters'
 
-generate_parameters ArduSub http://sub.ardupilot.org sub.auth 'Sub Parameters'
+generate_parameters ArduSub https://sub.ardupilot.org sub.auth 'Sub Parameters'
 
 generate_parameters AntennaTracker NONE NONE 'AntennaTracker Parameters'
diff --git a/Tools/vagrant/README.md b/Tools/vagrant/README.md
index d39b7798b2..6cede3cb34 100644
--- a/Tools/vagrant/README.md
+++ b/Tools/vagrant/README.md
@@ -2,4 +2,4 @@
 
 We support a vagrant container for _easily_ running SITL (software in the loop simulator) and compling Ardupilot code.
 
-Instructions for how to install and run this vagrant container are provided on the ArduPilot dev wiki in: [Setting up SITL using Vagrant](http://dev.ardupilot.org/wiki/setting-up-sitl-using-vagrant/).
+Instructions for how to install and run this vagrant container are provided on the ArduPilot dev wiki in: [Setting up SITL using Vagrant](https://dev.ardupilot.org/wiki/setting-up-sitl-using-vagrant/).
