diff --git a/README.md b/README.md
index e44a6ec83..3cf15a993 100644
--- a/README.md
+++ b/README.md
@@ -19,9 +19,9 @@ You'll need the following dependencies:
 * libgnome-desktop-3-dev
 * libgranite-dev (>= 5.4.0)
 * libgtk-3-dev (>= 3.10.0)
-* libmutter-6-dev (>= 3.35.1) | libmutter-dev (>= 3.18.3)
+* libmutter-10-dev (>= 42.0) | libmutter-dev (>= 3.18.3)
 * libxml2-utils
-* valac (>= 0.28.0)
+* valac (>= 0.50.0)
 
 Run `meson build` to configure the build environment. Change to the build directory and run `ninja` to build