diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -146,7 +146,7 @@ MQTT is a lightweight client-server publish/subscribe messaging protocol, optimi
 #### Makers
 
 * [arduinoTemps2mqtt](https://github.com/matbor/arduinoTemps2mqtt) - Arduino sketch, grab One-wire Temperature's and publish to a MQTT broker.
-* [Basecamp](https://github.com/merlinschumacher/Basecamp) - An Arduino library to ease the use of the ESP32 in IoT projects. See [c't Magazin 2'2018 (German)](http://www.heise.de/select/ct/2018/02/1515452111258448).
+* [Basecamp](https://github.com/merlinschumacher/Basecamp) - An Arduino library to ease the use of the ESP32 in IoT projects. See [c't Magazin 2'2018 (German)](https://www.heise.de/select/ct/2018/02/1515452111258448).
 * [esp_mqtt](https://github.com/tuanpmt/esp_mqtt) - MQTT client library for ESP8266.
 * [mqtt-ir-transceiver](https://github.com/enc-X/mqtt-ir-transceiver) - ESP8266 based bidirectional gateway between MQTT and IR. Use with PlatformIO.
 * [mqtt-with-micropython](https://docs.pycom.io/chapter/tutorials/all/mqtt.html) - Connect to MQTT with micropython and wipy/others (ESP32 inside)