diff --git a/types/c3/index.d.ts b/types/c3/index.d.ts
index 96ecc8c488..322adce77d 100644
--- a/types/c3/index.d.ts
+++ b/types/c3/index.d.ts
@@ -61,6 +61,13 @@ export interface ChartConfiguration {
         left?: number;
     };
 
+    resize?: {
+        /**
+         * Indicate if the chart should automatically get resized when the window gets resized.
+         */
+        auto?: boolean;
+    };
+
     color?: {
         /**
          * Set custom color pattern.