diff --git a/README.md b/README.md
index 03f983325..d3afd084d 100644
--- a/README.md
+++ b/README.md
@@ -90,9 +90,9 @@ InlineEditor.defaultConfig = {
 ### Styles for Lark theme
 __Copy theme/ckeditor5-math folder__ from [https://github.com/isaul32/ckeditor5-theme-lark](https://github.com/isaul32/ckeditor5-theme-lark) to your lark theme repository or install
 
-`npm install @ckeditor/ckeditor5-theme-lark@https://github.com/isaul32/ckeditor5-theme-lark --save-dev`
+`npm install @ckeditor/ckeditor5-theme-lark@github:isaul32/ckeditor5-theme-lark#v18.0.0 --save-dev`
 
-Styles requires PostCSS like official CKEditor 5 plugins.
+Styles requires PostCSS like official CKEditor 5 plugins. Use same tag version as the editor.
 
 ## Configuration & Usage
 
@@ -167,9 +167,9 @@ __\\(__ x=\frac{-b\pm\sqrt{b^2-4ac}}{2a} __\\)__
 #### From Microsoft Word
 Use [__paste from office__](https://github.com/isaul32/ckeditor5-paste-from-office) fork instead of official. This feature is __experimental__ and might not work always (look source codes).
 
-Install paste from office fork
+Install paste from office fork. Use same tag version as the editor.
 
-`npm install @ckeditor/ckeditor5-paste-from-office@github:isaul32/ckeditor5-paste-from-office --save-dev`
+`npm install @ckeditor/ckeditor5-paste-from-office@github:isaul32/ckeditor5-paste-from-office#v18.0.0 --save-dev`
 
 ```js
 import PasteFromOffice from '@ckeditor/ckeditor5-paste-from-office/src/pastefromoffice';