diff --git a/lib/portal.js b/lib/portal.js
index d126f35..452309c 100644
--- a/lib/portal.js
+++ b/lib/portal.js
@@ -133,7 +133,12 @@ export default class Portal extends React.Component {
         this.node.className = props.className;
       }
       if (props.style) {
-        CSSPropertyOperations.setValueForStyles(this.node, props.style);
+        // React 15.1.0+ requires third parameter in debug mode
+        /* eslint-disable no-underscore-dangle */
+        CSSPropertyOperations.setValueForStyles(this.node,
+                                                props.style,
+                                                this._reactInternalInstance);
+        /* eslint-enable no-underscore-dangle */
       }
       document.body.appendChild(this.node);
     }
diff --git a/package.json b/package.json
index 399621a..469c409 100644
--- a/package.json
+++ b/package.json
@@ -58,9 +58,9 @@
     "jsdom": "^9.0.0",
     "mocha": "^2.3.4",
     "mocha-eslint": "^2.0.2",
-    "react": "^15.0.2",
-    "react-addons-test-utils": "^15.0.2",
-    "react-dom": "^15.0.2",
+    "react": "^15.1.0",
+    "react-addons-test-utils": "^15.1.0",
+    "react-dom": "^15.1.0",
     "rimraf": "^2.5.0",
     "sinon": "^1.17.4",
     "tween.js": "^16.3.1",