diff --git a/CHANGELOG.md b/CHANGELOG.md
index a5b71a3..f76f007 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 ## Version 0.1.6
 
-Upgraded runtime to Node.js 22, modernized dependencies, and added input validation for parameterized paths.
+Upgraded runtime to Node.js 20, modernized dependencies, and added input validation for parameterized paths.
 
 ## Version 0.1.5
 
diff --git a/functions/package.json b/functions/package.json
index 3c6c44d..b3ded8d 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -14,6 +14,7 @@
   "dependencies": {
     "@google-cloud/firestore": "^7.7.0",
     "@google-cloud/storage": "^7.7.0",
+    "@types/node": "^20.10.3",
     "cors": "^2.8.5",
     "firebase-admin": "^12.7.0",
     "firebase-functions": "7.3.0",
@@ -21,7 +22,6 @@
   },
   "devDependencies": {
     "@types/jest": "^29.5.12",
-    "@types/node": "^20.10.3",
     "axios": "^0.27.2",
     "firebase-functions-test": "^3.3.0",
     "jest": "^29.7.0",
diff --git a/functions/tsconfig.json b/functions/tsconfig.json
index d39e30b..2b50e42 100644
--- a/functions/tsconfig.json
+++ b/functions/tsconfig.json
@@ -7,7 +7,7 @@
     "sourceMap": true,
     "resolveJsonModule": true,
     "esModuleInterop": true,
-    "types": ["node", "jest"],
+    "types": ["node"],
     "skipLibCheck": true,
     "lib": ["ES2020", "DOM"],
     "typeRoots": ["./node_modules/@types"]