diff --git a/package-lock.json b/package-lock.json
index 2c393cb..024469a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
         "@types/mocha": "^5.2.7",
         "chai": "^4.2.0",
         "firebase-admin": "^10.1.0",
-        "firebase-functions": "^3.23.0",
+        "firebase-functions": "^4.0.0-rc.0",
         "firebase-tools": "^8.9.2",
         "mocha": "^6.2.2",
         "prettier": "^1.19.1",
@@ -30,8 +30,8 @@
         "node": ">=14.0.0"
       },
       "peerDependencies": {
-        "firebase-admin": ">=6.0.0",
-        "firebase-functions": ">=3.22.0",
+        "firebase-admin": "^8.0.0 || ^9.0.0 || ^10.0.0 || ^11.0.0",
+        "firebase-functions": "^4.0.0",
         "jest": ">=28.0.0"
       }
     },
@@ -5195,26 +5195,25 @@
       }
     },
     "node_modules/firebase-functions": {
-      "version": "3.23.0",
-      "resolved": "https://registry.npmjs.org/firebase-functions/-/firebase-functions-3.23.0.tgz",
-      "integrity": "sha512-/jujnNChTWIuoXK3IPNGYu1zjXF1fYRy88uYbkrJhs3dhK6EdXZi0rX6JUEOCB7h6IkRQvbio+bvtaoI7h+4Lg==",
+      "version": "4.0.0-rc.0",
+      "resolved": "https://registry.npmjs.org/firebase-functions/-/firebase-functions-4.0.0-rc.0.tgz",
+      "integrity": "sha512-zfyFxpwEsL5KArD0Xz6bWCC8cgJ+GxZP2yEQh02oLYnyvA2+Jy0xaZJutpRv2O5OdWP84wmaRQhIR0VzMQnd7Q==",
       "dev": true,
       "dependencies": {
         "@types/cors": "^2.8.5",
         "@types/express": "4.17.3",
         "cors": "^2.8.5",
         "express": "^4.17.1",
-        "lodash": "^4.17.14",
         "node-fetch": "^2.6.7"
       },
       "bin": {
         "firebase-functions": "lib/bin/firebase-functions.js"
       },
       "engines": {
-        "node": "^8.13.0 || >=10.10.0"
+        "node": ">=14.10.0"
       },
       "peerDependencies": {
-        "firebase-admin": "^8.0.0 || ^9.0.0 || ^10.0.0 || ^11.0.0"
+        "firebase-admin": "^10.0.0 || ^11.0.0"
       }
     },
     "node_modules/firebase-tools": {
@@ -17226,16 +17225,15 @@
       }
     },
     "firebase-functions": {
-      "version": "3.23.0",
-      "resolved": "https://registry.npmjs.org/firebase-functions/-/firebase-functions-3.23.0.tgz",
-      "integrity": "sha512-/jujnNChTWIuoXK3IPNGYu1zjXF1fYRy88uYbkrJhs3dhK6EdXZi0rX6JUEOCB7h6IkRQvbio+bvtaoI7h+4Lg==",
+      "version": "4.0.0-rc.0",
+      "resolved": "https://registry.npmjs.org/firebase-functions/-/firebase-functions-4.0.0-rc.0.tgz",
+      "integrity": "sha512-zfyFxpwEsL5KArD0Xz6bWCC8cgJ+GxZP2yEQh02oLYnyvA2+Jy0xaZJutpRv2O5OdWP84wmaRQhIR0VzMQnd7Q==",
       "dev": true,
       "requires": {
         "@types/cors": "^2.8.5",
         "@types/express": "4.17.3",
         "cors": "^2.8.5",
         "express": "^4.17.1",
-        "lodash": "^4.17.14",
         "node-fetch": "^2.6.7"
       }
     },
diff --git a/package.json b/package.json
index 55090b2..5cb4b96 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "@types/mocha": "^5.2.7",
     "chai": "^4.2.0",
     "firebase-admin": "^10.1.0",
-    "firebase-functions": "^3.23.0",
+    "firebase-functions": "^4.0.0-rc.0",
     "firebase-tools": "^8.9.2",
     "mocha": "^6.2.2",
     "prettier": "^1.19.1",