diff --git a/packages/gatsby/package.json b/packages/gatsby/package.json
index 6ae8c490a1cb7..1d530d3ad41fa 100644
--- a/packages/gatsby/package.json
+++ b/packages/gatsby/package.json
@@ -67,7 +67,7 @@
     "joi": "^9.1.1",
     "json-loader": "^0.5.2",
     "json-stringify-safe": "^5.0.1",
-    "json5": "^0.5.0",
+    "json5": "^1.0.2",
     "lodash": "^4.17.4",
     "lodash-id": "^0.14.0",
     "lowdb": "^0.16.2",
diff --git a/yarn.lock b/yarn.lock
index d5ef9bb00aa65..f41d30d799438 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6669,6 +6669,12 @@ json5@^0.5.0, json5@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
 
+json5@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/json5/-/json5-1.0.2.tgz#63d98d60f21b313b77c4d6da18bfa69d80e1d593"
+  dependencies:
+    minimist "^1.2.0"
+
 jsonfile@^2.1.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-2.4.0.tgz#3736a2b428b87bbda0cc83b53fa3d633a35c2ae8"