diff --git a/functions/package-lock.json b/functions/package-lock.json
index 2a0064f..3cfe8c4 100644
--- a/functions/package-lock.json
+++ b/functions/package-lock.json
@@ -434,9 +434,9 @@
       }
     },
     "@types/lodash": {
-      "version": "4.14.175",
-      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.175.tgz",
-      "integrity": "sha512-XmdEOrKQ8a1Y/yxQFOMbC47G/V2VDO1GvMRnl4O75M4GW/abC5tnfzadQYkqEveqRM1dEJGFFegfPNA2vvx2iw==",
+      "version": "4.17.13",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.17.13.tgz",
+      "integrity": "sha512-lfx+dftrEZcdBPczf9d0Qv0x+j/rfNCMuC6OcfXmO8gkfeNAY88PgKUbvG56whcN23gc27yenwF6oJZXGFpYxg==",
       "dev": true
     },
     "@types/long": {
@@ -1269,13 +1269,14 @@
       }
     },
     "firebase-functions-test": {
-      "version": "0.3.3",
-      "resolved": "https://registry.npmjs.org/firebase-functions-test/-/firebase-functions-test-0.3.3.tgz",
-      "integrity": "sha512-dCppF/2Ztv87IyyBaUQlT1Z05ial5v/3LB0huS2ktXz05yNiID5FVIKtO0/+w9Q7/SThJ8qIDG0hoGDPt4Xcug==",
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/firebase-functions-test/-/firebase-functions-test-3.4.0.tgz",
+      "integrity": "sha512-ignkiegIvGtCbDZFEKerLrzrKGonCHD/VJsuNhcfz3jDfhP9yN7mJeq7AHXz8cOJaAnBnJ0WxHj3xezem2dEbw==",
       "dev": true,
       "requires": {
         "@types/lodash": "^4.14.104",
-        "lodash": "^4.17.5"
+        "lodash": "^4.17.5",
+        "ts-deepmerge": "^2.0.1"
       }
     },
     "flat-cache": {
@@ -2646,6 +2647,12 @@
       "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
       "integrity": "sha1-gYT9NH2snNwYWZLzpmIuFLnZq2o="
     },
+    "ts-deepmerge": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/ts-deepmerge/-/ts-deepmerge-2.0.7.tgz",
+      "integrity": "sha512-3phiGcxPSSR47RBubQxPoZ+pqXsEsozLo4G4AlSrsMKTFg9TA3l+3he5BqpUi9wiuDbaHWXH/amlzQ49uEdXtg==",
+      "dev": true
+    },
     "tslib": {
       "version": "1.11.1",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.11.1.tgz",
diff --git a/functions/package.json b/functions/package.json
index 662449e..6c0c7eb 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -23,7 +23,7 @@
   "devDependencies": {
     "eslint": "^6.8.0",
     "eslint-plugin-promise": "^4.3.1",
-    "firebase-functions-test": "^0.3.3"
+    "firebase-functions-test": "^3.4.0"
   },
   "private": true
 }