diff --git a/src/sources.md b/src/sources.md
index d69106f..2908bc6 100644
--- a/src/sources.md
+++ b/src/sources.md
@@ -11,4 +11,4 @@ Meteostat uses weather and climate data provided by the following interfaces and
 * [European Data Portal](https://www.europeandataportal.eu/en)
 * [Offene Daten Österreich](https://www.data.gv.at/) ([License](https://creativecommons.org/licenses/by/3.0/at/deed.en))
 
-The interfaces and databases used by Meteostat provide weather and climate data with global coverage. The data is gathered by different members of the World Meteorological Organization (WMO) and is being shared under the terms of [WMO resolution 40](https://www.wmo.int/pages/prog/www/ois/Operational_Information/Publications/Congress/Cg_XII/res40_en.html).
+The interfaces and databases used by Meteostat provide weather and climate data with global coverage. The data is gathered by different members of the World Meteorological Organization (WMO) and is being shared under the terms of [WMO resolution 40](https://community.wmo.int/resolution-40).