diff --git a/.babelrc b/.babelrc
index 1a131b9..cf69c7b 100644
--- a/.babelrc
+++ b/.babelrc
@@ -3,6 +3,7 @@
   "plugins": [
     ["@babel/plugin-proposal-decorators", { "legacy": true }],
     ["@babel/plugin-proposal-class-properties", { "loose": true }],
-    ["@babel/plugin-proposal-optional-chaining"]
+    "@babel/plugin-proposal-optional-chaining",
+    "@babel/plugin-proposal-nullish-coalescing-operator"
   ]
 }
diff --git a/package.json b/package.json
index 6e992e4..a2361b6 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
     "@babel/core": "^7.2.2",
     "@babel/plugin-proposal-class-properties": "^7.2.2",
     "@babel/plugin-proposal-decorators": "^7.2.2",
+    "@babel/plugin-proposal-nullish-coalescing-operator": "^7.4.4",
     "@babel/plugin-proposal-optional-chaining": "^7.2.0",
     "@babel/preset-env": "^7.2.2",
     "@babel/preset-react": "^7.0.0",
diff --git a/yarn.lock b/yarn.lock
index 1c64445..d92df2f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -280,6 +280,14 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-syntax-json-strings" "^7.2.0"
 
+"@babel/plugin-proposal-nullish-coalescing-operator@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-nullish-coalescing-operator/-/plugin-proposal-nullish-coalescing-operator-7.4.4.tgz#41c360d59481d88e0ce3a3f837df10121a769b39"
+  integrity sha512-Amph7Epui1Dh/xxUxS2+K22/MUi6+6JVTvy3P58tja3B6yKTSjwwx0/d83rF7551D6PVSSoplQb8GCwqec7HRw==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/plugin-syntax-nullish-coalescing-operator" "^7.2.0"
+
 "@babel/plugin-proposal-object-rest-spread@^7.5.5":
   version "7.5.5"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.5.5.tgz#61939744f71ba76a3ae46b5eea18a54c16d22e58"
@@ -348,6 +356,13 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
+"@babel/plugin-syntax-nullish-coalescing-operator@^7.2.0":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-nullish-coalescing-operator/-/plugin-syntax-nullish-coalescing-operator-7.2.0.tgz#f75083dfd5ade73e783db729bbd87e7b9efb7624"
+  integrity sha512-lRCEaKE+LTxDQtgbYajI04ddt6WW0WJq57xqkAZ+s11h4YgfRHhVA/Y2VhfPzzFD4qeLHWg32DMp9HooY4Kqlg==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+
 "@babel/plugin-syntax-object-rest-spread@^7.0.0", "@babel/plugin-syntax-object-rest-spread@^7.2.0":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-object-rest-spread/-/plugin-syntax-object-rest-spread-7.2.0.tgz#3b7a3e733510c57e820b9142a6579ac8b0dfad2e"