diff --git a/.babelrc b/.babelrc
index 7336e76..b60e66e 100644
--- a/.babelrc
+++ b/.babelrc
@@ -3,6 +3,7 @@
   "plugins": [
     "@babel/plugin-transform-regenerator",
     "@babel/plugin-proposal-class-properties",
-    "@babel/plugin-proposal-object-rest-spread"
+    "@babel/plugin-proposal-object-rest-spread",
+    "@babel/plugin-proposal-optional-chaining"
   ]
 }
diff --git a/.flowconfig b/.flowconfig
index cebe5f8..b5f785d 100644
--- a/.flowconfig
+++ b/.flowconfig
@@ -9,5 +9,6 @@ flow-typed
 [lints]
 
 [options]
+esproposal.optional_chaining=enable
 
 [strict]
\ No newline at end of file
diff --git a/package.json b/package.json
index 15259dc..5391e78 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,7 @@
     "@babel/core": "^7.0.0",
     "@babel/plugin-proposal-class-properties": "^7.0.0",
     "@babel/plugin-proposal-object-rest-spread": "^7.0.0",
+    "@babel/plugin-proposal-optional-chaining": "^7.2.0",
     "@babel/plugin-transform-regenerator": "^7.0.0",
     "@babel/preset-env": "^7.0.0",
     "@babel/preset-flow": "^7.0.0",
diff --git a/yarn.lock b/yarn.lock
index 36deca7..c232cda 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -406,6 +406,14 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-syntax-optional-catch-binding" "^7.2.0"
 
+"@babel/plugin-proposal-optional-chaining@^7.2.0":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-chaining/-/plugin-proposal-optional-chaining-7.2.0.tgz#ae454f4c21c6c2ce8cb2397dc332ae8b420c5441"
+  integrity sha512-ea3Q6edZC/55wEBVZAEz42v528VulyO0eir+7uky/sT4XRcdkWJcFi1aPtitTlwUzGnECWJNExWww1SStt+yWw==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/plugin-syntax-optional-chaining" "^7.2.0"
+
 "@babel/plugin-proposal-unicode-property-regex@^7.0.0", "@babel/plugin-proposal-unicode-property-regex@^7.2.0":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-unicode-property-regex/-/plugin-proposal-unicode-property-regex-7.2.0.tgz#abe7281fe46c95ddc143a65e5358647792039520"
@@ -478,6 +486,13 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
+"@babel/plugin-syntax-optional-chaining@^7.2.0":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-optional-chaining/-/plugin-syntax-optional-chaining-7.2.0.tgz#a59d6ae8c167e7608eaa443fda9fa8fa6bf21dff"
+  integrity sha512-HtGCtvp5Uq/jH/WNUPkK6b7rufnCPLLlDAFN7cmACoIjaOOiXxUt3SswU5loHqrhtqTsa/WoLQ1OQ1AGuZqaWA==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+
 "@babel/plugin-syntax-typescript@^7.0.0", "@babel/plugin-syntax-typescript@^7.2.0":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-typescript/-/plugin-syntax-typescript-7.2.0.tgz#55d240536bd314dcbbec70fd949c5cabaed1de29"