diff --git a/starter-code/package-lock.json b/starter-code/package-lock.json
index 5dae05629..6d5dd9c71 100644
--- a/starter-code/package-lock.json
+++ b/starter-code/package-lock.json
@@ -8293,14 +8293,14 @@
       }
     },
     "react-dom": {
-      "version": "16.5.2",
-      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-16.5.2.tgz",
-      "integrity": "sha512-RC8LDw8feuZOHVgzEf7f+cxBr/DnKdqp56VU0lAs1f4UfKc4cU8wU4fTq/mgnvynLQo8OtlPC19NUFh/zjZPuA==",
+      "version": "16.12.0",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-16.12.0.tgz",
+      "integrity": "sha512-LMxFfAGrcS3kETtQaCkTKjMiifahaMySFDn71fZUNpPHZQEzmk/GiAeIT8JSOrHB23fnuCOMruL2a8NYlw+8Gw==",
       "requires": {
         "loose-envify": "^1.1.0",
         "object-assign": "^4.1.1",
         "prop-types": "^15.6.2",
-        "schedule": "^0.5.0"
+        "scheduler": "^0.18.0"
       }
     },
     "react-error-overlay": {
@@ -9044,6 +9044,15 @@
         "object-assign": "^4.1.1"
       }
     },
+    "scheduler": {
+      "version": "0.18.0",
+      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.18.0.tgz",
+      "integrity": "sha512-agTSHR1Nbfi6ulI0kYNK0203joW2Y5W4po4l+v03tOoiJKpTBbxpNhWDvqc/4IcOw+KLmSiQLTasZ4cab2/UWQ==",
+      "requires": {
+        "loose-envify": "^1.1.0",
+        "object-assign": "^4.1.1"
+      }
+    },
     "schema-utils": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-0.3.0.tgz",
diff --git a/starter-code/package.json b/starter-code/package.json
index 1160268df..842b85bfb 100644
--- a/starter-code/package.json
+++ b/starter-code/package.json
@@ -5,7 +5,7 @@
   "dependencies": {
     "bulma": "^0.7.5",
     "react": "^16.5.2",
-    "react-dom": "^16.5.2",
+    "react-dom": "^16.12.0",
     "react-scripts": "1.1.5"
   },
   "scripts": {