diff --git a/CHANGELOG.md b/CHANGELOG.md
index ed79ff49..a80acf25 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@
         - **.PATCH**: Pull Request Title (PR Author) [PR Number](Link to PR)
 -->
 #### 6.6
+- **.1**: [add] How to install using dein.vim [#1087](https://github.com/preservim/nerdtree/pull/1087)
 - **.0**: Add the ability to turn off directory arrows (PhilRunninger) [#1085](https://github.com/preservim/nerdtree/pull/1085)
 #### 6.5
 - **.0**: `NERDTreeToggle <start-directory>` always sets NERDTree root. (PhilRunninger) [#1083](https://github.com/preservim/nerdtree/pull/1083)
diff --git a/README.markdown b/README.markdown
index cd03b515..09173a65 100644
--- a/README.markdown
+++ b/README.markdown
@@ -59,6 +59,13 @@ Plug 'preservim/nerdtree'
 call plug#end()
 ```
 
+#### [dein.vim](https://github.com/Shougo/dein.vim)
+```vim
+call dein#begin()
+call dein#add('preservim/nerdtree')
+call dein#end()
+```
+
 #### [apt-vim](https://github.com/egalpin/apt-vim)
 ```bash
 apt-vim install -y https://github.com/preservim/nerdtree.git