diff --git a/packages/core/project.json b/packages/core/project.json
index 47f237b6d..e0f3882c2 100644
--- a/packages/core/project.json
+++ b/packages/core/project.json
@@ -27,6 +27,7 @@
 					"./node_modules/.bin/tsc -p packages/core/tsconfig.lib.json",
 					"./node_modules/.bin/copyfiles -e \"packages/core/__tests__/**/*\" \"packages/core/**/*.d.ts\" dist && ./node_modules/.bin/copyfiles -e \"packages/core/__tests__/**/*\" \"packages/core/js-libs/**/*\" dist && ./node_modules/.bin/copyfiles -e \"packages/core/__tests__/**/*\" \"packages/core/cli-hooks/**/*.js\" dist && ./node_modules/.bin/copyfiles -e \"packages/core/__tests__/**/*\" \"packages/core/platforms/**/*\" dist && ./node_modules/.bin/copyfiles -e \"packages/core/__tests__/**/*\" \"packages/core/fetch/**/*\" dist && ./node_modules/.bin/copyfiles -e \"packages/core/__tests__/**/*\" \"packages/core/css/**/*\" dist && ./node_modules/.bin/copyfiles -e \"packages/core/__tests__/**/*\" \"packages/core/css-value/**/*\" dist",
 					"cp packages/core/package.json dist/packages/core",
+					"cp packages/core/.npmignore dist/packages/core",
 					"cp packages/core/README.md dist/packages/core",
 					"cp LICENSE dist/packages/core",
 					"cd dist/packages/core && npm pack && mv *.tgz .."