diff --git a/ts/Makefile b/ts/Makefile
index adb8bee89..af288bf55 100644
--- a/ts/Makefile
+++ b/ts/Makefile
@@ -41,7 +41,7 @@ develop: .build/build
 	npm run build
 	@touch $@
 
-.build/npm: package.json package-lock.json
+.build/npm: package.json
 	npm i
 	touch $@