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diff --git a/README.md b/README.md
index ee0d65eda..911ad0e56 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,7 @@ For short description of available commands, run `vcpkg help`.
 Prerequisites:
 - Visual Studio 2015 Update 3 or
 - Visual Studio 2017
+- CMake 3.8.0 or higher (note: downloaded automatically if not found)
 - `git.exe` available in your path
 
 Clone this repository, then run