diff --git a/.dockerignore b/.dockerignore
index df90bf696..09d3015be 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -3,7 +3,6 @@
 .travis
 .vscode
 .config
-.yarn
 Dockerfile
 build/
 built/
@@ -14,3 +13,10 @@ node_modules/
 redis/
 files/
 misskey-assets/
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions