diff --git a/.flowconfig b/.flowconfig
index da0ffce..971ec52 100644
--- a/.flowconfig
+++ b/.flowconfig
@@ -10,4 +10,4 @@
 [options]
 
 [version]
-^0.69.0
+^0.73.0
diff --git a/package.json b/package.json
index 8c1ef4e..085ee1e 100644
--- a/package.json
+++ b/package.json
@@ -71,7 +71,7 @@
     "eslint": "^4.17.0",
     "eslint-plugin-babel": "^4.1.2",
     "eslint-plugin-flowtype": "^2.44.0",
-    "flow-bin": "^0.69.0",
+    "flow-bin": "^0.73.0",
     "graphql": "^0.13.1",
     "isparta": "4.0.0",
     "mocha": "^5.0.1",
diff --git a/yarn.lock b/yarn.lock
index 9c9e37b..9eec94b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1384,9 +1384,9 @@ flat-cache@^1.2.1:
     graceful-fs "^4.1.2"
     write "^0.2.1"
 
-flow-bin@^0.69.0:
-  version "0.69.0"
-  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.69.0.tgz#053159a684a6051fcbf0b71a2eb19a9679082da6"
+flow-bin@^0.73.0:
+  version "0.73.0"
+  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.73.0.tgz#da1b90a02b0ef9c439f068c2fc14968db83be425"
 
 for-in@^1.0.1, for-in@^1.0.2:
   version "1.0.2"