diff --git a/README.md b/README.md
index 6ddc4dc..8d99473 100644
--- a/README.md
+++ b/README.md
@@ -66,8 +66,8 @@ The avatar directory could look like this:
 * C++ compiler (tested: [gcc](https://gcc.gnu.org/) 5/6/7/8,
   [clang](https://llvm.org/) 5/6)
 * [cmake](https://cmake.org/) (at least 3.2)
-* [crypto++](https://cryptopp.com) (tested: 7.0)
-* [imagemagick](https://www.imagemagick.org/) (tested: 7.0)
+* [crypto++](https://cryptopp.com) (tested: 7.0 / 5.6)
+* [imagemagick](https://www.imagemagick.org/) (tested: 7.0 / 6.9)
 * [libxdg-basedir](http://repo.or.cz/w/libxdg-basedir.git) (tested: 1.2)
 
 ### Compile