diff --git a/doc/02-Installation.md.d/From-Source.md b/doc/02-Installation.md.d/From-Source.md
index 34f93aff..705d32ca 100644
--- a/doc/02-Installation.md.d/From-Source.md
+++ b/doc/02-Installation.md.d/From-Source.md
@@ -10,7 +10,7 @@ Make sure you use `icingadb` as the module name. The following requirements must
 * MySQL or PostgreSQL PDO PHP libraries
 * The following PHP modules must be installed: `cURL`, `dom`, `json`, `libxml`
 * [Icinga DB](https://github.com/Icinga/icingadb) ≥ 1.4
-* [Icinga Web 2](https://github.com/Icinga/icingaweb2) ≥ 2.12
+* [Icinga Web 2](https://github.com/Icinga/icingaweb2) ≥ 2.12.5
 * [Icinga PHP Library (ipl)](https://github.com/Icinga/icinga-php-library) ≥ 0.19.0
 * [Icinga PHP Thirdparty](https://github.com/Icinga/icinga-php-thirdparty) ≥ 0.15.0