diff --git a/package-lock.json b/package-lock.json
index c3e9e6d..577a029 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "@twilio/voice-sdk": "^2.2.0",
         "body-parser": "^1.19.0",
-        "dotenv": "^10.0.0",
+        "dotenv": "^16.1.4",
         "express": "^4.17.1",
         "twilio": "~3.64.0"
       },
@@ -1988,11 +1988,14 @@
       }
     },
     "node_modules/dotenv": {
-      "version": "10.0.0",
-      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-10.0.0.tgz",
-      "integrity": "sha512-rlBi9d8jpv9Sf1klPjNfFAuWDjKLwTIJJ/VxtoTwIR6hnZxcEOQCZg2oIL3MWBYw5GpUDKOEnND7LXTbIpQ03Q==",
+      "version": "16.1.4",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.1.4.tgz",
+      "integrity": "sha512-m55RtE8AsPeJBpOIFKihEmqUcoVncQIwo7x9U8ZwLEZw9ZpXboz2c+rvog+jUaJvVrZ5kBOeYQBX5+8Aa/OZQw==",
       "engines": {
-        "node": ">=10"
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/motdotla/dotenv?sponsor=1"
       }
     },
     "node_modules/ecdsa-sig-formatter": {
@@ -7309,9 +7312,9 @@
       }
     },
     "dotenv": {
-      "version": "10.0.0",
-      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-10.0.0.tgz",
-      "integrity": "sha512-rlBi9d8jpv9Sf1klPjNfFAuWDjKLwTIJJ/VxtoTwIR6hnZxcEOQCZg2oIL3MWBYw5GpUDKOEnND7LXTbIpQ03Q=="
+      "version": "16.1.4",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.1.4.tgz",
+      "integrity": "sha512-m55RtE8AsPeJBpOIFKihEmqUcoVncQIwo7x9U8ZwLEZw9ZpXboz2c+rvog+jUaJvVrZ5kBOeYQBX5+8Aa/OZQw=="
     },
     "ecdsa-sig-formatter": {
       "version": "1.0.11",
diff --git a/package.json b/package.json
index 9401d58..0ce02ad 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
   "dependencies": {
     "@twilio/voice-sdk": "^2.2.0",
     "body-parser": "^1.19.0",
-    "dotenv": "^10.0.0",
+    "dotenv": "^16.1.4",
     "express": "^4.17.1",
     "twilio": "~3.64.0"
   },