diff --git a/README.rst b/README.rst
index 539f12d21..fcea821f1 100644
--- a/README.rst
+++ b/README.rst
@@ -162,6 +162,7 @@ Dependencies, git master
 Building from git master currently requires, in addition to the dependencies for a tarball:
 
 -  Rust (version 1.67 or later)
+-  CMake (version 3.19 or later)
 -  libclang, even if you are compiling with GCC
 -  an Internet connection