diff --git a/plugins/yarn/README.md b/plugins/yarn/README.md
index f1d089b1f..0d118d1a7 100644
--- a/plugins/yarn/README.md
+++ b/plugins/yarn/README.md
@@ -41,6 +41,7 @@ zstyle ':omz:plugins:yarn' berry yes
 | yb                 | `yarn build`                                                                                          | Run the build script defined in `package.json`                                     |
 | ycc                | `yarn cache clean`                                                                                    | Clean yarn's global cache of packages                                              |
 | yd                 | `yarn dev`                                                                                            | Run the dev script defined in `package.json`                                       |
+| ydd                | `yarn dedupe`                                                                                         | Removes duplicate dependencies from the lockfile.                                  |
 | yf                 | `yarn format`                                                                                         | Run the dev script defined in `package.json`                                       |
 | yh                 | `yarn help`                                                                                           | Show help for a yarn command                                                       |
 | yi                 | `yarn init`                                                                                           | Interactively creates or updates a package.json file                               |
diff --git a/plugins/yarn/yarn.plugin.zsh b/plugins/yarn/yarn.plugin.zsh
index 5dd329698..7e7413369 100644
--- a/plugins/yarn/yarn.plugin.zsh
+++ b/plugins/yarn/yarn.plugin.zsh
@@ -17,6 +17,7 @@ alias yap="yarn add --peer"
 alias yb="yarn build"
 alias ycc="yarn cache clean"
 alias yd="yarn dev"
+alias ydd="yarn dedupe"
 alias yf="yarn format"
 alias yh="yarn help"
 alias yi="yarn init"