diff --git a/core/Transportation/GeoLife-GPS-Trajectory-from-Microsoft-Research.yml b/core/Transportation/GeoLife-GPS-Trajectory-from-Microsoft-Research.yml
index 101808a..22cddea 100644
--- a/core/Transportation/GeoLife-GPS-Trajectory-from-Microsoft-Research.yml
+++ b/core/Transportation/GeoLife-GPS-Trajectory-from-Microsoft-Research.yml
@@ -1,6 +1,6 @@
 ---
 title: GeoLife GPS Trajectory from Microsoft Research
-homepage: http://research.microsoft.com/en-us/downloads/b16d359d-d164-469e-9fd4-daa38f2b2e13/
+homepage: https://www.microsoft.com/en-us/download/details.aspx?id=52367
 category: Transportation
 description:
 version: