diff --git a/demo/package.json b/demo/package.json
index 71d2de3..a55852d 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -8,7 +8,7 @@
     "dev": "gatsby develop"
   },
   "devDependencies": {
-    "dotenv": "9.0.2"
+    "dotenv": "10.0.0"
   },
   "dependencies": {
     "@chec/gatsby-source-chec": "*",
diff --git a/yarn.lock b/yarn.lock
index 79e3be3..ee97be5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4765,10 +4765,10 @@ dot-prop@^5.2.0:
   dependencies:
     is-obj "^2.0.0"
 
-dotenv@9.0.2:
-  version "9.0.2"
-  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-9.0.2.tgz#dacc20160935a37dea6364aa1bef819fb9b6ab05"
-  integrity sha512-I9OvvrHp4pIARv4+x9iuewrWycX6CcZtoAu1XrzPxc5UygMJXJZYmBsynku8IkrJwgypE5DGNjDPmPRhDCptUg==
+dotenv@10.0.0:
+  version "10.0.0"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-10.0.0.tgz#3d4227b8fb95f81096cdd2b66653fb2c7085ba81"
+  integrity sha512-rlBi9d8jpv9Sf1klPjNfFAuWDjKLwTIJJ/VxtoTwIR6hnZxcEOQCZg2oIL3MWBYw5GpUDKOEnND7LXTbIpQ03Q==
 
 dotenv@^8.2.0:
   version "8.2.0"