Update README.md

Author: niello

README.md

@@ -10,10 +10,12 @@ Collaborators are highly welcome.
 
 Dependencies
 -------------
-1. [QtnProperty v2.0](https://github.com/qtinuum/QtnProperty) - a Qt property framework. Sources are included;
+1. [QtnProperty v2.0.3 (c7ff097+)](https://github.com/qtinuum/QtnProperty) - a Qt property framework. Sources are included;
 2. CEGUI [(master branch)](https://github.com/cegui/cegui) with the OpenGL3Renderer (old OpenGLRenderer is working too but disabled by default);
-3. Qt (tested with 5.12, 5.13 and 5.15, older versions down to 5.8 inclusive should also work).
-4. OpenSSL 1.1.0 - update checking and downloading
+3. Qt (tested with 5.12, 5.13 and 5.15.2, older versions down to 5.8 inclusive should also work).
+4. [OpenSSL](https://www.openssl.org/) 1.1.0 - update checking and downloading
+5. [zlib](https://github.com/madler/zlib) - update zip unpacking
+6. [minizip-ng](https://github.com/zlib-ng/minizip-ng) - update zip unpacking
 
 Preparing CEGUI
 -------------