diff --git a/.flowconfig b/.flowconfig
index de11d1c1ff..ec42d14e14 100644
--- a/.flowconfig
+++ b/.flowconfig
@@ -19,4 +19,4 @@ suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
 munge_underscores=true
 
 [version]
-^0.84.0
+^0.85.0
diff --git a/package.json b/package.json
index 792068a528..bbe45f4a8e 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "eslint-plugin-prettier": "2.6.0",
     "eslint-plugin-react": "7.6.1",
     "eslint-plugin-relay": "0.0.23",
-    "flow-bin": "^0.84.0",
+    "flow-bin": "^0.85.0",
     "glob": "^7.1.1",
     "istanbul-api": "^1.1.0",
     "istanbul-lib-coverage": "^1.0.0",
diff --git a/scripts/build.js b/scripts/build.js
index aa377ede0c..6674695f49 100644
--- a/scripts/build.js
+++ b/scripts/build.js
@@ -96,7 +96,6 @@ function buildFile(file, silent) {
           '\n'
       );
   } else {
-    // $FlowFixMe TODO t25179342 need to update flow-types for babel-core
     const transformed = prettier.format(babel.transformFileSync(file, {}).code, {
       parser: 'babylon',
     });
@@ -121,7 +120,6 @@ const files = process.argv.slice(2);
 if (files.length) {
   files.forEach(buildFile);
 } else {
-  // $FlowFixMe TODO t25179342 Add version to the flow types for this module
   process.stdout.write(chalk.bold.inverse('Building packages') + ' (using Babel v' + babel.version + ')\n');
   getPackages().forEach(buildPackage);
   process.stdout.write('\n');
diff --git a/yarn.lock b/yarn.lock
index b63b427aae..6843a22a7c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3140,10 +3140,10 @@ flat-cache@^1.2.1:
     graceful-fs "^4.1.2"
     write "^0.2.1"
 
-flow-bin@^0.84.0:
-  version "0.84.0"
-  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.84.0.tgz#4cb2364c750fb37a7840524fa62456b53f64cdcb"
-  integrity sha512-ocji8eEYp+YfICsm+F6cIHUcD7v5sb0/ADEXm6gyUKdjQzmSckMrPUdZtyfP973t3YGHKliUMxMvIBHyR5LbXQ==
+flow-bin@^0.85.0:
+  version "0.85.0"
+  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.85.0.tgz#a3ca80748a35a071d5bbb2fcd61d64d977fc53a6"
+  integrity sha512-ougBA2q6Rn9sZrjZQ9r5pTFxCotlGouySpD2yRIuq5AYwwfIT8HHhVMeSwrN5qJayjHINLJyrnsSkkPCZyfMrQ==
 
 for-in@^1.0.1, for-in@^1.0.2:
   version "1.0.2"