diff --git a/docs/README.md b/docs/README.md
index d5e951e8ec..f2a107da0d 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -56,10 +56,11 @@ The following tools are needed to build locally:
 - `mdbook` (v0.4.52+)
 - `mdbook-mermaid` (v0.16.0+)
 - `mdbook-linkcheck` (v0.7.7+)
+- `mdbook-pagetoc` (v0.2.1+)
 
 Install via cargo:
 
 ```bash
-cargo install mdbook mdbook-mermaid mdbook-linkcheck
+cargo install mdbook mdbook-mermaid mdbook-linkcheck mdbook-pagetoc
 mdbook-mermaid install docs
 ```