diff --git a/express_server/package-lock.json b/express_server/package-lock.json
index 59647b7..be8bac0 100644
--- a/express_server/package-lock.json
+++ b/express_server/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "license": "MIT",
       "dependencies": {
-        "dotenv": "^16.4.7",
+        "dotenv": "^16.6.1",
         "easygpt": "^1.6.0",
         "express": "^4.21.1",
         "express-session": "^1.18.2",
@@ -278,9 +278,9 @@
       }
     },
     "node_modules/dotenv": {
-      "version": "16.4.7",
-      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.4.7.tgz",
-      "integrity": "sha512-47qPchRCykZC03FhkYAhrvwU4xDBFIj1QPqaarj6mdM/hgUzfPHcpkHJOn3mJAufFeeAxAzeGsr5X0M4k6fLZQ==",
+      "version": "16.6.1",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.6.1.tgz",
+      "integrity": "sha512-uBq4egWHTcTt33a72vpSG0z3HnPuIl6NqYcTrKEg2azoEyl2hpW0zqlxysq2pK9HlDIHyHyakeYaYnSAwd8bow==",
       "license": "BSD-2-Clause",
       "engines": {
         "node": ">=12"
diff --git a/express_server/package.json b/express_server/package.json
index a6fc62b..3d26abe 100644
--- a/express_server/package.json
+++ b/express_server/package.json
@@ -10,7 +10,7 @@
   "author": "Francesco Gruosso & Adam Govier",
   "license": "MIT",
   "dependencies": {
-    "dotenv": "^16.4.7",
+    "dotenv": "^16.6.1",
     "easygpt": "^1.6.0",
     "express": "^4.21.1",
     "express-session": "^1.18.2",