diff --git a/.gitignore b/.gitignore
index 5e140b2f..58d6afdd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -145,6 +145,9 @@ build/Release
 node_modules/
 jspm_packages/
 
+# Dependency version lock
+yarn.lock
+
 # TypeScript v1 declaration files
 typings/