diff --git a/types/c3/c3-tests.ts b/types/c3/c3-tests.ts
index 6d7ea67287..5c554320f9 100644
--- a/types/c3/c3-tests.ts
+++ b/types/c3/c3-tests.ts
@@ -334,6 +334,7 @@ function zoom_examples() {
         data: {},
         zoom: {
             enabled: false,
+            type: 'scroll',
             rescale: true,
             extent: [1, 100], // enable more zooming
             onzoom: (domain) => { /* code */ },
diff --git a/types/c3/index.d.ts b/types/c3/index.d.ts
index 0d94347ca3..e047b22c7e 100644
--- a/types/c3/index.d.ts
+++ b/types/c3/index.d.ts
@@ -806,6 +806,10 @@ export interface ZoomOptions {
      * Enable zooming.
      */
     enabled?: boolean;
+    /**
+     * Set interaction type for zooming
+     */
+    type?: 'scroll' | 'drag';
     /**
      * Enable to rescale after zooming. If true set, y domain will be updated according to the zoomed region.
      */