diff --git a/.gitignore b/.gitignore
index 17cba98..6532d89 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,7 @@
 
 # dependencies
 /node_modules
+!/node_modules/file.d.ts
 
 # profiling files
 chrome-profiler-events*.json