diff --git a/.flowconfig b/.flowconfig
index 846e650d6f..7189ee96ae 100644
--- a/.flowconfig
+++ b/.flowconfig
@@ -10,6 +10,7 @@ emoji=true
 format.bracket_spacing=false
 
 munge_underscores=true
+conditional_type=true
 
 module.name_mapper='\(metro-[^/]*\)' -> '<PROJECT_ROOT>/packages/\1/src/index.js'
 
@@ -40,4 +41,4 @@ untyped-import
 untyped-type-import
 
 [version]
-^0.208.1
+^0.209.0
diff --git a/package.json b/package.json
index b7d01ecb18..9eb6e5e312 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "eslint-plugin-prettier": "^4.2.1",
     "eslint-plugin-react": "^7.30.1",
     "eslint-plugin-relay": "^1.8.3",
-    "flow-bin": "^0.208.1",
+    "flow-bin": "^0.209.0",
     "glob": "^7.1.1",
     "hermes-eslint": "0.12.0",
     "invariant": "^2.2.4",
diff --git a/yarn.lock b/yarn.lock
index 1b529a1d37..1917ead884 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3079,10 +3079,10 @@ flatted@^3.1.0:
   resolved "https://registry.yarnpkg.com/flatted/-/flatted-3.2.2.tgz#64bfed5cb68fe3ca78b3eb214ad97b63bedce561"
   integrity sha512-JaTY/wtrcSyvXJl4IMFHPKyFur1sE9AUqc0QnhOaJ0CxHtAoIV8pYDzeEfAaNEtGkOfq4gr3LBFmdXW5mOQFnA==
 
-flow-bin@^0.208.1:
-  version "0.208.1"
-  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.208.1.tgz#98390cc968980988d9c7ddbcf7233b53baa0b616"
-  integrity sha512-sr+gCnYg5UC/lbrCj/qO2GDSGzV75HDl8drEHX/Dpjr5gS+NYoFQ1r9C9ESAeYpakmiot/HPdKYOjCFtqUcsQA==
+flow-bin@^0.209.0:
+  version "0.209.0"
+  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.209.0.tgz#616a002b94ef35e1b083add9a6d27dbe387bf4f0"
+  integrity sha512-HRc6+bKE8AN23SnuKaxdUjcQcjaIp6pksrGJ6pltFO5tIEvZmPrbT99P7Yb3ybqwcKU/Ry8yfJbuW92Ed2V3nw==
 
 for-in@^1.0.2:
   version "1.0.2"