diff --git a/demo/package.json b/demo/package.json
index 6ee28e5..60aec2a 100644
--- a/demo/package.json
+++ b/demo/package.json
@@ -8,7 +8,7 @@
     "dev": "gatsby develop"
   },
   "devDependencies": {
-    "dotenv": "10.0.0"
+    "dotenv": "16.4.3"
   },
   "dependencies": {
     "@chec/gatsby-source-chec": "*",
diff --git a/yarn.lock b/yarn.lock
index 11e1a41..a2d9841 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4685,10 +4685,10 @@ dot-prop@^5.2.0:
   dependencies:
     is-obj "^2.0.0"
 
-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@16.4.3:
+  version "16.4.3"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-16.4.3.tgz#481235ec516c4e47d2612a478482ee36607f70c1"
+  integrity sha512-II98GFrje5psQTSve0E7bnwMFybNLqT8Vu8JIFWRjsE3khyNUm/loZupuy5DVzG2IXf/ysxvrixYOQnM6mjD3A==
 
 dotenv@^8.2.0:
   version "8.2.0"