diff --git a/package.json b/package.json
index 36790ec6..515db849 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,7 @@
   "description": "A simple and elegant checkbox tree for React.",
   "author": "Jake Zatecky",
   "license": "MIT",
+  "types": "src/index.d.ts",
   "keywords": [
     "react",
     "checkbox",
diff --git a/src/index.d.ts b/src/index.d.ts
new file mode 100644
index 00000000..ac77e5a5
--- /dev/null
+++ b/src/index.d.ts
@@ -0,0 +1,33 @@
+declare module "react-checkbox-tree" {
+    interface Node {
+        label: string;
+        value: string;
+        children?: Array<Node>;
+        className?: string;
+        disabled?: boolean;
+        icon?: JSX.Element;
+        showCheckbox?: boolean;
+    }
+
+    interface CheckboxProps {
+        nodes: Array<Node>;
+        checked: Array<string>;
+        expanded: Array<string>;
+        onCheck: (checked: Array<string>) => void;
+        onExpand: (expanded: Array<string>) => void;
+
+        disabled?: boolean;
+        expandDisabled?: boolean;
+        expandOnClick?: boolean;
+        name?: string;
+        nameAsArray?: boolean;
+        nativeCheckboxes?: boolean;
+        noCascade?: boolean;
+        onlyLeafCheckboxes?: boolean;
+        optimisticToggle?: boolean;
+        showNodeIcon?: boolean;
+        onClick?: (event: { checked: boolean, value: any }) => void;
+    }
+
+    export default class CheckboxTree extends React.Component<CheckboxProps> { }
+}
\ No newline at end of file