diff --git a/Libraries/Image/Image.android.js b/Libraries/Image/Image.android.js
index 870b31cd8..4c8fa6e7f 100644
--- a/Libraries/Image/Image.android.js
+++ b/Libraries/Image/Image.android.js
@@ -75,8 +75,8 @@ var Image = createReactClass({
      */
     blurRadius: PropTypes.number,
     /**
-    * See https://facebook.github.io/react-native/docs/image.html#defaultsource
-    */
+     * See https://facebook.github.io/react-native/docs/image.html#defaultsource
+     */
     defaultSource: PropTypes.number,
     /**
      * See https://facebook.github.io/react-native/docs/image.html#loadingindicatorsource
@@ -123,7 +123,13 @@ var Image = createReactClass({
      *
      * See https://facebook.github.io/react-native/docs/image.html#resizemode
      */
-    resizeMode: PropTypes.oneOf(['cover', 'contain', 'stretch', 'repeat', 'center']),
+    resizeMode: PropTypes.oneOf([
+      'cover',
+      'contain',
+      'stretch',
+      'repeat',
+      'center',
+    ]),
   },
 
   statics: {
@@ -254,9 +260,7 @@ var Image = createReactClass({
         ),
         src: sources,
         headers: source.headers,
-        defaultSrc: defaultSource
-          ? defaultSource.uri
-          : null,
+        defaultSrc: defaultSource ? defaultSource.uri : null,
         loadingIndicatorSrc: loadingIndicatorSource
           ? loadingIndicatorSource.uri
           : null,
diff --git a/Libraries/Lists/VirtualizedList.js b/Libraries/Lists/VirtualizedList.js
index 2b1b83ff4..30e8777ea 100644
--- a/Libraries/Lists/VirtualizedList.js
+++ b/Libraries/Lists/VirtualizedList.js
@@ -852,14 +852,14 @@ class VirtualizedList extends React.PureComponent<Props, State> {
         );
       }
     } else if (ListEmptyComponent) {
-      const element: React.Element<any> = (React.isValidElement(
+      const element: React.Element<any> = ((React.isValidElement(
         ListEmptyComponent,
       ) ? (
         ListEmptyComponent
       ) : (
         // $FlowFixMe
         <ListEmptyComponent />
-      ): any);
+      )): any);
       cells.push(
         React.cloneElement(element, {
           key: '$empty',
@@ -1670,7 +1670,9 @@ class CellRenderer extends React.Component<
       ? horizontal
         ? [{flexDirection: 'row-reverse'}, inversionStyle]
         : [{flexDirection: 'column-reverse'}, inversionStyle]
-      : horizontal ? [{flexDirection: 'row'}, inversionStyle] : inversionStyle;
+      : horizontal
+        ? [{flexDirection: 'row'}, inversionStyle]
+        : inversionStyle;
     if (!CellRendererComponent) {
       return (
         <View style={cellStyle} onLayout={onLayout}>
diff --git a/Libraries/StyleSheet/StyleSheetTypes.js b/Libraries/StyleSheet/StyleSheetTypes.js
index ffec5b54b..a176ca1e8 100644
--- a/Libraries/StyleSheet/StyleSheetTypes.js
+++ b/Libraries/StyleSheet/StyleSheetTypes.js
@@ -103,14 +103,16 @@ export type ____TransformStyle_Internal = $ReadOnly<{|
     | {|+translateX: number | AnimatedNode|}
     | {|+translateY: number | AnimatedNode|}
     | {|
-      +translate: [number | AnimatedNode, number | AnimatedNode] | AnimatedNode,
-    |}
+        +translate:
+          | [number | AnimatedNode, number | AnimatedNode]
+          | AnimatedNode,
+      |}
     | {|+skewX: string|}
     | {|+skewY: string|}
     // TODO: what is the actual type it expects?
     | {|
-      +matrix: $ReadOnlyArray<number | AnimatedNode> | AnimatedNode,
-    |},
+        +matrix: $ReadOnlyArray<number | AnimatedNode> | AnimatedNode,
+      |},
   >,
 |}>;
 
diff --git a/package.json b/package.json
index c28da3b6d..8cadfda93 100644
--- a/package.json
+++ b/package.json
@@ -209,7 +209,7 @@
     "flow-bin": "^0.70.0",
     "jest": "23.0.0-alpha.4",
     "jest-junit": "3.6.0",
-    "prettier": "1.9.1",
+    "prettier": "1.12.1",
     "react": "16.3.2",
     "react-test-renderer": "16.3.2",
     "shelljs": "^0.7.8",