diff --git a/docs/Mapsforge-Maps.md b/docs/Mapsforge-Maps.md
index 9644e607..a5563ac7 100644
--- a/docs/Mapsforge-Maps.md
+++ b/docs/Mapsforge-Maps.md
@@ -1,11 +1,11 @@
 # Mapsforge map providers (in lexical order)
 
-- [AndroidMaps](http://www.androidmaps.co.uk/)
-- [Freizeitkarte](http://www.freizeitkarte-osm.de/android/en/index.html)
+- [AndroidMaps](https://www.androidmaps.co.uk/)
+- [Freizeitkarte](https://www.freizeitkarte-osm.de/android/en/index.html)
 - [Kurviger](https://offline-maps.kurviger.de/)
 - [Mapsforge](https://download.mapsforge.org/)
-- [OpenAndroMaps](http://www.openandromaps.org/en/)
-- [OpenMaps](http://openmaps.eu/)
+- [OpenAndroMaps](https://www.openandromaps.org/en/)
+- [OpenMaps](https://openmaps.eu/)
 - [vector.city](https://vector.city/)
 
 You know a Mapsforge map provider that is missing here? Please inform us by sending a message via our public [forum](https://groups.google.com/group/mapsforge-dev).