diff --git a/.github/workflows/docs-release.yaml b/.github/workflows/docs-release.yaml
index f474c80f..5b9ae330 100644
--- a/.github/workflows/docs-release.yaml
+++ b/.github/workflows/docs-release.yaml
@@ -30,7 +30,7 @@ jobs:
           fetch-depth: 0
 
       - name: Build docs
-        uses: docker://ghcr.io/bjw-s/mdbook:0.4.25
+        uses: docker://ghcr.io/bjw-s/mdbook:0.4.25@sha256:0374aa3022448dbd061d731e489c5f7492e39a7df33234bdc94b901fe6c05b83
         with:
           args: mdbook build docs
 
diff --git a/docs/book.toml b/docs/book.toml
index 47797d90..47e7107c 100644
--- a/docs/book.toml
+++ b/docs/book.toml
@@ -38,3 +38,11 @@ assets_version = "2.0.0" # do not edit: managed by `mdbook-admonish install`
 
 [preprocessor.emojicodes]
 after = [ "links" ]
+
+[preprocessor.toc]
+command = "mdbook-toc"
+renderer = ["html"]
+
+[preprocessor.regex]
+after = [ "links" ]
+patterns = "replace-patterns.json"
diff --git a/docs/replace-patterns.json b/docs/replace-patterns.json
new file mode 100644
index 00000000..62a27b96
--- /dev/null
+++ b/docs/replace-patterns.json
@@ -0,0 +1,6 @@
+[
+  {
+      "pattern" : "\n### 📖 Docs[\\s\\S\n]*?---\n",
+      "template" : ""
+  }
+]