compilation.md

@@ -8,6 +8,8 @@ Project depends on Qt5. ~~Minimal Qt version which the project is tested on is Q
 * qmake (Should be part of some Qt5 development package.)
 * libisds (+ development package)
 
+> Datovka-4.9.1 and newer require libisds-0.10.7 in order to build and function properly.
+
 ### Linux/UNIX
 
 We don't currently use Autotools. The project directly relies on libisds, OpenSSL and Qt5 which should be installed in the system.