diff --git a/docs/api/extensions/dropcursor.md b/docs/api/extensions/dropcursor.md
index 93200d6a231..512f4d97bf6 100644
--- a/docs/api/extensions/dropcursor.md
+++ b/docs/api/extensions/dropcursor.md
@@ -16,6 +16,20 @@ Note that Tiptap is headless, but the dropcursor needs CSS for its appearance. T
 npm install @tiptap/extension-dropcursor
 ```
 
+
+If you use NPM 6 or lower, yarn or pnpm, you also need to install the Prosemirror dependencies.
+
+```bash
+# NPM 6 and lower
+npm install prosemirror-dropcursor
+
+# yarn
+yarn add prosemirror-dropcursor
+
+# pnpm
+pnpm install prosemirror-dropcursor
+```
+
 ## Settings
 
 ### color
diff --git a/docs/api/extensions/gapcursor.md b/docs/api/extensions/gapcursor.md
index 313aa475332..9a64a8bf1b8 100644
--- a/docs/api/extensions/gapcursor.md
+++ b/docs/api/extensions/gapcursor.md
@@ -16,6 +16,19 @@ Note that Tiptap is headless, but the gapcursor needs CSS for its appearance. Th
 npm install @tiptap/extension-gapcursor
 ```
 
+If you use NPM 6 or lower, yarn or pnpm, you also need to install the Prosemirror dependencies.
+
+```bash
+# NPM 6 and lower
+npm install prosemirror-gapcursor
+
+# yarn
+yarn add prosemirror-gapcursor
+
+# pnpm
+pnpm install prosemirror-gapcursor
+```
+
 ## Source code
 [packages/extension-gapcursor/](https://github.com/ueberdosis/tiptap/blob/main/packages/extension-gapcursor/)
 
diff --git a/docs/api/extensions/history.md b/docs/api/extensions/history.md
index 2009a9b47b7..fa8b81d4d66 100644
--- a/docs/api/extensions/history.md
+++ b/docs/api/extensions/history.md
@@ -14,6 +14,19 @@ This extension provides history support. All changes to the document will be tra
 npm install @tiptap/extension-history
 ```
 
+If you use NPM 6 or lower, yarn or pnpm, you also need to install the Prosemirror dependencies.
+
+```bash
+# NPM 6 and lower
+npm install prosemirror-history
+
+# yarn
+yarn add prosemirror-history
+
+# pnpm
+pnpm install prosemirror-history
+```
+
 ## Settings
 
 ### depth