diff --git a/types/d3-contour/index.d.ts b/types/d3-contour/index.d.ts
index 4477c4bfa5..54a9964c2d 100644
--- a/types/d3-contour/index.d.ts
+++ b/types/d3-contour/index.d.ts
@@ -1,10 +1,10 @@
-// Type definitions for d3-contour 1.2
+// Type definitions for d3-contour 1.3
 // Project: https://d3js.org/d3-contour/
 // Definitions by: Tom Wanzek <https://github.com/tomwanzek>, Hugues Stefanski <https://github.com/Ledragon>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.3
 
-// Last module patch version validated against: 1.2.0
+// Last module patch version validated against: 1.3.2
 
 import { MultiPolygon } from 'geojson';
 import { ThresholdNumberArrayGenerator, ThresholdCountGenerator } from 'd3-array';