diff --git a/superset/assets/package.json b/superset/assets/package.json
index 89f520d52139a..b0112e8ae06e2 100644
--- a/superset/assets/package.json
+++ b/superset/assets/package.json
@@ -42,7 +42,7 @@
   "dependencies": {
     "@data-ui/event-flow": "^0.0.8",
     "@data-ui/sparkline": "^0.0.49",
-    "@data-ui/xy-chart": "^0.0.50",
+    "@data-ui/xy-chart": "^0.0.61",
     "babel-register": "^6.24.1",
     "bootstrap": "^3.3.6",
     "bootstrap-slider": "^10.0.0",
diff --git a/superset/assets/visualizations/BigNumber.jsx b/superset/assets/visualizations/BigNumber.jsx
index 29b6ddd268f1d..0419028a682e9 100644
--- a/superset/assets/visualizations/BigNumber.jsx
+++ b/superset/assets/visualizations/BigNumber.jsx
@@ -182,37 +182,37 @@ function bigNumberVis(slice, payload) {
             id="white_gradient"
             from="white"
             to="white"
-            toOpacity="0"
+            toOpacity={0}
           />
           <LinearGradient
             id="sky_gradient"
             from="#3498DB"
             to="#3498DB"
-            toOpacity="0"
+            toOpacity={0}
           />
           <LinearGradient
             id="green_gradient"
             from="#2ECC71"
             to="#2ECC71"
-            toOpacity="0"
+            toOpacity={0}
           />
           <LinearGradient
             id="red_gradient"
             from="#E74C3C"
             to="#E74C3C"
-            toOpacity="0"
+            toOpacity={0}
           />
           <LinearGradient
             id="yellow_gradient"
             from="#F1C40F"
             to="#F1C40F"
-            toOpacity="0"
+            toOpacity={0}
           />
           <LinearGradient
             id="purple_gradient"
             from="#9B59B6"
             to="#9B59B6"
-            toOpacity="0"
+            toOpacity={0}
           />
           <LinearGradient
             id="fire_gradient"