diff --git a/.changeset/quick-carrots-allow.md b/.changeset/quick-carrots-allow.md
new file mode 100644
index 00000000..960c3815
--- /dev/null
+++ b/.changeset/quick-carrots-allow.md
@@ -0,0 +1,5 @@
+---
+'@xyflow/react': patch
+---
+
+Type isValidConnection prop correctly by passing EdgeType
diff --git a/packages/react/src/types/component-props.ts b/packages/react/src/types/component-props.ts
index 623992b2..d04875d1 100644
--- a/packages/react/src/types/component-props.ts
+++ b/packages/react/src/types/component-props.ts
@@ -499,7 +499,7 @@ export interface ReactFlowProps<NodeType extends Node = Node, EdgeType extends E
    * If you have custom connection logic its preferred to use this callback over the isValidConnection prop on the handle component for performance reasons.
    * @default (connection: Connection) => true
    */
-  isValidConnection?: IsValidConnection;
+  isValidConnection?: IsValidConnection<EdgeType>;
   /** With a threshold greater than zero you can control the distinction between node drag and click events.
    *
    * If threshold equals 1, you need to drag the node 1 pixel before a drag event is fired.