diff --git a/ui/package.json b/ui/package.json
index cb54482ad0..6214ac7643 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -54,7 +54,7 @@
     "@mozilla-frontend-infra/react-lint": "^2.0.1",
     "@neutrinojs/jest": "^9.5.0",
     "@neutrinojs/react": "^9.5.0",
-    "dotenv": "^8.2.0",
+    "dotenv": "^16.3.1",
     "dotenv-cli": "^4.1.0",
     "eslint": "^7.18.0",
     "jest": "^26.6.3",
diff --git a/ui/yarn.lock b/ui/yarn.lock
index d7fb2fe26a..a1ac15c9b0 100644
--- a/ui/yarn.lock
+++ b/ui/yarn.lock
@@ -3657,7 +3657,12 @@ dotenv-expand@^5.1.0:
   resolved "https://registry.yarnpkg.com/dotenv-expand/-/dotenv-expand-5.1.0.tgz#3fbaf020bfd794884072ea26b1e9791d45a629f0"
   integrity sha512-YXQl1DSa4/PQyRfgrv6aoNjhasp/p4qs9FjJ4q4cQk+8m4r6k4ZSiEyytKG8f8W9gi8WsQtIObNmKd+tMzNTmA==
 
-dotenv@^8.1.0, dotenv@^8.2.0:
+dotenv@^16.3.1:
+  version "16.3.1"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-16.3.1.tgz#369034de7d7e5b120972693352a3bf112172cc3e"
+  integrity sha512-IPzF4w4/Rd94bA9imS68tZBaYyBWSCE47V1RGuMrB94iyTOIEwRmVL2x/4An+6mETpLrKJ5hQkB8W4kFAadeIQ==
+
+dotenv@^8.1.0:
   version "8.6.0"
   resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-8.6.0.tgz#061af664d19f7f4d8fc6e4ff9b584ce237adcb8b"
   integrity sha512-IrPdXQsk2BbzvCBGBOTmmSH5SodmqZNt4ERAZDmW4CT+tL8VtvinqywuANaFu4bOMWki16nqf0e4oC0QIaDr/g==