diff --git a/package.json b/package.json
index 34005687e5..86cff63303 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
     "ncp": "^2.0.0",
     "object-assign": "^4.1.1",
     "platform": "^1.1.0",
-    "prettier": "1.8.1",
+    "prettier": "1.11.1",
     "prop-types": "^15.6.0",
     "random-seed": "^0.3.0",
     "react-lifecycles-compat": "^1.0.2",
diff --git a/packages/react-dom/src/__tests__/utils/ReactDOMServerIntegrationTestUtils.js b/packages/react-dom/src/__tests__/utils/ReactDOMServerIntegrationTestUtils.js
index f24c2917df..b9cae59979 100644
--- a/packages/react-dom/src/__tests__/utils/ReactDOMServerIntegrationTestUtils.js
+++ b/packages/react-dom/src/__tests__/utils/ReactDOMServerIntegrationTestUtils.js
@@ -53,9 +53,7 @@ module.exports = function(initModules) {
       console.error.calls.count() !== 0
     ) {
       console.log(
-        `We expected ${
-          count
-        } warning(s), but saw ${console.error.calls.count()} warning(s).`,
+        `We expected ${count} warning(s), but saw ${console.error.calls.count()} warning(s).`,
       );
       if (console.error.calls.count() > 0) {
         console.log(`We saw these warnings:`);
@@ -237,9 +235,7 @@ module.exports = function(initModules) {
       testFn(clientCleanRender));
     it(`renders ${desc} with client render on top of good server markup`, () =>
       testFn(clientRenderOnServerString));
-    it(`renders ${
-      desc
-    } with client render on top of bad server markup`, async () => {
+    it(`renders ${desc} with client render on top of bad server markup`, async () => {
       try {
         await testFn(clientRenderOnBadMarkup);
       } catch (x) {
diff --git a/packages/react-dom/src/events/__tests__/SyntheticEvent-test.js b/packages/react-dom/src/events/__tests__/SyntheticEvent-test.js
index c0609e5fe2..e46ef77a49 100644
--- a/packages/react-dom/src/events/__tests__/SyntheticEvent-test.js
+++ b/packages/react-dom/src/events/__tests__/SyntheticEvent-test.js
@@ -147,9 +147,7 @@ describe('SyntheticEvent', () => {
 
     const getExpectedWarning = property =>
       'Warning: This synthetic event is reused for performance reasons. If ' +
-      `you're seeing this, you're accessing the property \`${
-        property
-      }\` on a ` +
+      `you're seeing this, you're accessing the property \`${property}\` on a ` +
       'released/nullified synthetic event. This is set to null. If you must ' +
       'keep the original synthetic event around, use event.persist(). ' +
       'See https://fb.me/react-event-pooling for more information.';
diff --git a/packages/react-reconciler/src/ReactDebugFiberPerf.js b/packages/react-reconciler/src/ReactDebugFiberPerf.js
index 0bd2dfb0ad..c2889986bf 100644
--- a/packages/react-reconciler/src/ReactDebugFiberPerf.js
+++ b/packages/react-reconciler/src/ReactDebugFiberPerf.js
@@ -259,9 +259,7 @@ export function stopRequestCallbackTimer(
       isWaitingForCallback = false;
       const warning = didExpire ? 'React was blocked by main thread' : null;
       endMark(
-        `(Waiting for async callback... will force flush in ${
-          expirationTime
-        } ms)`,
+        `(Waiting for async callback... will force flush in ${expirationTime} ms)`,
         '(Waiting for async callback...)',
         warning,
       );
@@ -385,9 +383,7 @@ export function stopWorkLoopTimer(
         warning = 'A top-level update interrupted the previous render';
       } else {
         const componentName = getComponentName(interruptedBy) || 'Unknown';
-        warning = `An update to ${
-          componentName
-        } interrupted the previous render`;
+        warning = `An update to ${componentName} interrupted the previous render`;
       }
     } else if (commitCountInCurrentWorkLoop > 1) {
       warning = 'There were cascading updates';
diff --git a/packages/react-reconciler/src/ReactFiberErrorLogger.js b/packages/react-reconciler/src/ReactFiberErrorLogger.js
index 1a15878262..a5a4f756ab 100644
--- a/packages/react-reconciler/src/ReactFiberErrorLogger.js
+++ b/packages/react-reconciler/src/ReactFiberErrorLogger.js
@@ -48,9 +48,7 @@ export function logCapturedError(capturedError: CapturedError): void {
           `using the error boundary you provided, ${errorBoundaryName}.`;
       } else {
         errorBoundaryMessage =
-          `This error was initially handled by the error boundary ${
-            errorBoundaryName
-          }.\n` +
+          `This error was initially handled by the error boundary ${errorBoundaryName}.\n` +
           `Recreating the tree from scratch failed so React will unmount the tree.`;
       }
     } else {
diff --git a/packages/react-reconciler/src/__tests__/ReactNewContext-test.internal.js b/packages/react-reconciler/src/__tests__/ReactNewContext-test.internal.js
index 8784622b7f..0a4763a4fe 100644
--- a/packages/react-reconciler/src/__tests__/ReactNewContext-test.internal.js
+++ b/packages/react-reconciler/src/__tests__/ReactNewContext-test.internal.js
@@ -1123,9 +1123,7 @@ describe('ReactNewContext', () => {
             expectedValues[key] = value;
           } else if (value !== expectedValue) {
             throw new Error(
-              `Inconsistent value! Expected: ${key}:${expectedValue}. Actual: ${
-                text
-              }`,
+              `Inconsistent value! Expected: ${key}:${expectedValue}. Actual: ${text}`,
             );
           }
         });
diff --git a/packages/react-reconciler/src/forks/ReactFiberErrorDialog.native.js b/packages/react-reconciler/src/forks/ReactFiberErrorDialog.native.js
index 357c21dddb..9c9a7decf8 100644
--- a/packages/react-reconciler/src/forks/ReactFiberErrorDialog.native.js
+++ b/packages/react-reconciler/src/forks/ReactFiberErrorDialog.native.js
@@ -30,9 +30,7 @@ export function showErrorDialog(capturedError: CapturedError): boolean {
     errorToHandle = error;
 
     try {
-      errorToHandle.message = `${summary}\n\nThis error is located at:${
-        componentStack
-      }`;
+      errorToHandle.message = `${summary}\n\nThis error is located at:${componentStack}`;
     } catch (e) {}
   } else if (typeof error === 'string') {
     errorToHandle = new Error(
diff --git a/scripts/jest/config.build.js b/scripts/jest/config.build.js
index ba2aa3f3e1..c4e7444c92 100644
--- a/scripts/jest/config.build.js
+++ b/scripts/jest/config.build.js
@@ -19,9 +19,9 @@ packages.forEach(name => {
   // Root entry point
   moduleNameMapper[`^${name}$`] = `<rootDir>/build/node_modules/${name}`;
   // Named entry points
-  moduleNameMapper[`^${name}/(.*)$`] = `<rootDir>/build/node_modules/${
-    name
-  }/$1`;
+  moduleNameMapper[
+    `^${name}/(.*)$`
+  ] = `<rootDir>/build/node_modules/${name}/$1`;
 });
 
 module.exports = Object.assign({}, sourceConfig, {
diff --git a/scripts/jest/setupTests.js b/scripts/jest/setupTests.js
index 40ccf4c8f5..bc09104a5d 100644
--- a/scripts/jest/setupTests.js
+++ b/scripts/jest/setupTests.js
@@ -105,11 +105,11 @@ if (process.env.REACT_CLASS_EQUIVALENCE_TEST) {
           `1. Using the ${chalk.bold('.toWarnDev()')} / ${chalk.bold(
             '.toLowPriorityWarnDev()'
           )} matchers, or...\n` +
-          `2. Mock it out using ${chalk.bold('spyOnDev')}(console, '${
-            methodName
-          }') or ${chalk.bold('spyOnProd')}(console, '${
-            methodName
-          }'), and test that the warning occurs.`;
+          `2. Mock it out using ${chalk.bold(
+            'spyOnDev'
+          )}(console, '${methodName}') or ${chalk.bold(
+            'spyOnProd'
+          )}(console, '${methodName}'), and test that the warning occurs.`;
 
         throw new Error(`${message}\n\n${messages.join('\n\n')}`);
       }
diff --git a/scripts/release/build-commands/print-post-build-summary.js b/scripts/release/build-commands/print-post-build-summary.js
index 60642cce11..a9c660d0c5 100644
--- a/scripts/release/build-commands/print-post-build-summary.js
+++ b/scripts/release/build-commands/print-post-build-summary.js
@@ -36,17 +36,13 @@ module.exports = ({cwd, dry, path, version}) => {
     Here are a few things to keep in mind:
     • The changes should be easy to understand. (Friendly one-liners are better than PR titles.)
     • Make sure all contributors are credited.
-    • Verify that the markup is valid by previewing it in the editor: {blue.bold ${
-      CHANGELOG_PATH
-    }}
+    • Verify that the markup is valid by previewing it in the editor: {blue.bold ${CHANGELOG_PATH}}
 
     {bold.underline Step 2: Smoke test the packages}
 
     1. Open {yellow.bold ${standaloneFixturePath}} in the browser.
     2. It should say {italic "Hello world!"}
-    3. Next go to {yellow.bold ${
-      packagingFixturesPath
-    }} and run {bold node build-all.js}
+    3. Next go to {yellow.bold ${packagingFixturesPath}} and run {bold node build-all.js}
     4. Install the "serve" module ({bold npm install -g serve})
     5. Go to the repo root and {bold serve -s .}
     6. Open {blue.bold http://localhost:5000/fixtures/packaging}
diff --git a/scripts/release/publish-commands/publish-to-npm.js b/scripts/release/publish-commands/publish-to-npm.js
index 429b64cbd1..c573b2ccd1 100644
--- a/scripts/release/publish-commands/publish-to-npm.js
+++ b/scripts/release/publish-commands/publish-to-npm.js
@@ -49,9 +49,7 @@ const push = async ({cwd, dry, packages, version, tag}) => {
         if (remoteVersion !== packageVersion) {
           throw Error(
             chalk`Published version {yellow.bold ${packageVersion}} for ` +
-              chalk`{bold ${project}} but NPM shows {yellow.bold ${
-                remoteVersion
-              }}`
+              chalk`{bold ${project}} but NPM shows {yellow.bold ${remoteVersion}}`
           );
         }
 
diff --git a/yarn.lock b/yarn.lock
index f585a6c169..495fa024f6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4293,7 +4293,11 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-prettier@1.8.1, prettier@^1.0.0:
+prettier@1.11.1:
+  version "1.11.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.11.1.tgz#61e43fc4cd44e68f2b0dfc2c38cd4bb0fccdcc75"
+
+prettier@^1.0.0:
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.8.1.tgz#91064d778c08c85ac1cbe6b23195c34310d039f9"