diff --git a/packages/app-shell/.npmignore b/packages/app-shell/.npmignore
index bd8138ceb1b9d6026edec0d20ac4be9940d5cf73..4724d1872749b3a851c79ea1dae624be5dbb5add 100644
--- a/packages/app-shell/.npmignore
+++ b/packages/app-shell/.npmignore
@@ -3,3 +3,4 @@ node_modules
 npm-debug.log
 package-lock.json
 index.html
+yarn.lock