diff --git a/types/d3/index.d.ts b/types/d3/index.d.ts
index cb48077985..de522828ff 100644
--- a/types/d3/index.d.ts
+++ b/types/d3/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for D3JS d3 standard bundle 4.11
+// Type definitions for D3JS d3 standard bundle 4.12
 // Project: https://github.com/d3/d3
 // Definitions by: Tom Wanzek <https://github.com/tomwanzek>, Alex Ford <https://github.com/gustavderdrache>, Boris Yankov <https://github.com/borisyankov>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped