diff --git a/firebase/functions/package.json b/firebase/functions/package.json
index 4a74e26..9d1573a 100644
--- a/firebase/functions/package.json
+++ b/firebase/functions/package.json
@@ -21,7 +21,7 @@
   },
   "devDependencies": {
     "typescript-eslint": "^8.39.1",
-    "@typescript-eslint/parser": "^8.36.0",
+    "@typescript-eslint/parser": "^8.42.0",
     "eslint": "^9.33.0",
     "eslint-config-google": "^0.14.0",
     "eslint-plugin-import": "^2.32.0",
diff --git a/firebase/functions/yarn.lock b/firebase/functions/yarn.lock
index 51d4828..5e506fc 100644
--- a/firebase/functions/yarn.lock
+++ b/firebase/functions/yarn.lock
@@ -486,7 +486,7 @@
     natural-compare "^1.4.0"
     ts-api-utils "^2.1.0"
 
-"@typescript-eslint/parser@8.39.1", "@typescript-eslint/parser@^8.36.0":
+"@typescript-eslint/parser@8.39.1":
   version "8.39.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-8.39.1.tgz#7f8f9ecfc7e172d67e42c366fa198e42324e5d50"
   integrity sha512-pUXGCuHnnKw6PyYq93lLRiZm3vjuslIy7tus1lIQTYVK9bL8XBgJnCWm8a0KcTtHC84Yya1Q6rtll+duSMj0dg==
@@ -497,6 +497,17 @@
     "@typescript-eslint/visitor-keys" "8.39.1"
     debug "^4.3.4"
 
+"@typescript-eslint/parser@^8.42.0":
+  version "8.42.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-8.42.0.tgz#20ea66f4867981fb5bb62cbe1454250fc4a440ab"
+  integrity sha512-r1XG74QgShUgXph1BYseJ+KZd17bKQib/yF3SR+demvytiRXrwd12Blnz5eYGm8tXaeRdd4x88MlfwldHoudGg==
+  dependencies:
+    "@typescript-eslint/scope-manager" "8.42.0"
+    "@typescript-eslint/types" "8.42.0"
+    "@typescript-eslint/typescript-estree" "8.42.0"
+    "@typescript-eslint/visitor-keys" "8.42.0"
+    debug "^4.3.4"
+
 "@typescript-eslint/project-service@8.39.1":
   version "8.39.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/project-service/-/project-service-8.39.1.tgz#63525878d488ebf27c485f295e83434a1398f52d"
@@ -506,6 +517,15 @@
     "@typescript-eslint/types" "^8.39.1"
     debug "^4.3.4"
 
+"@typescript-eslint/project-service@8.42.0":
+  version "8.42.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/project-service/-/project-service-8.42.0.tgz#636eb3418b6c42c98554dce884943708bf41a583"
+  integrity sha512-vfVpLHAhbPjilrabtOSNcUDmBboQNrJUiNAGoImkZKnMjs2TIcWG33s4Ds0wY3/50aZmTMqJa6PiwkwezaAklg==
+  dependencies:
+    "@typescript-eslint/tsconfig-utils" "^8.42.0"
+    "@typescript-eslint/types" "^8.42.0"
+    debug "^4.3.4"
+
 "@typescript-eslint/scope-manager@8.39.1":
   version "8.39.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-8.39.1.tgz#1253fe3e1f2f33f08a3e438a05b5dd7faf9fbca6"
@@ -514,11 +534,24 @@
     "@typescript-eslint/types" "8.39.1"
     "@typescript-eslint/visitor-keys" "8.39.1"
 
+"@typescript-eslint/scope-manager@8.42.0":
+  version "8.42.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-8.42.0.tgz#36016757bc85b46ea42bae47b61f9421eddedde3"
+  integrity sha512-51+x9o78NBAVgQzOPd17DkNTnIzJ8T/O2dmMBLoK9qbY0Gm52XJcdJcCl18ExBMiHo6jPMErUQWUv5RLE51zJw==
+  dependencies:
+    "@typescript-eslint/types" "8.42.0"
+    "@typescript-eslint/visitor-keys" "8.42.0"
+
 "@typescript-eslint/tsconfig-utils@8.39.1", "@typescript-eslint/tsconfig-utils@^8.39.1":
   version "8.39.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.39.1.tgz#17f13b4ad481e7bec7c249ee1854078645b34b12"
   integrity sha512-ePUPGVtTMR8XMU2Hee8kD0Pu4NDE1CN9Q1sxGSGd/mbOtGZDM7pnhXNJnzW63zk/q+Z54zVzj44HtwXln5CvHA==
 
+"@typescript-eslint/tsconfig-utils@8.42.0", "@typescript-eslint/tsconfig-utils@^8.42.0":
+  version "8.42.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.42.0.tgz#21a3e74396fd7443ff930bc41b27789ba7e9236e"
+  integrity sha512-kHeFUOdwAJfUmYKjR3CLgZSglGHjbNTi1H8sTYRYV2xX6eNz4RyJ2LIgsDLKf8Yi0/GL1WZAC/DgZBeBft8QAQ==
+
 "@typescript-eslint/type-utils@8.39.1":
   version "8.39.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/type-utils/-/type-utils-8.39.1.tgz#642f9fb96173649e2928fea0375b1d74d31906c2"
@@ -530,11 +563,16 @@
     debug "^4.3.4"
     ts-api-utils "^2.1.0"
 
-"@typescript-eslint/types@8.39.1", "@typescript-eslint/types@^8.39.1":
+"@typescript-eslint/types@8.39.1":
   version "8.39.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-8.39.1.tgz#f0ab996c8ab2c3b046bbf86bb1990b03529869a1"
   integrity sha512-7sPDKQQp+S11laqTrhHqeAbsCfMkwJMrV7oTDvtDds4mEofJYir414bYKUEb8YPUm9QL3U+8f6L6YExSoAGdQw==
 
+"@typescript-eslint/types@8.42.0", "@typescript-eslint/types@^8.39.1", "@typescript-eslint/types@^8.42.0":
+  version "8.42.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-8.42.0.tgz#ae15c09cebda20473772902033328e87372db008"
+  integrity sha512-LdtAWMiFmbRLNP7JNeY0SqEtJvGMYSzfiWBSmx+VSZ1CH+1zyl8Mmw1TT39OrtsRvIYShjJWzTDMPWZJCpwBlw==
+
 "@typescript-eslint/typescript-estree@8.39.1":
   version "8.39.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-8.39.1.tgz#8825d3ea7ea2144c577859ae489eec24ef7318a5"
@@ -551,6 +589,22 @@
     semver "^7.6.0"
     ts-api-utils "^2.1.0"
 
+"@typescript-eslint/typescript-estree@8.42.0":
+  version "8.42.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-8.42.0.tgz#593c3af87d4462252c0d7239d1720b84a1b56864"
+  integrity sha512-ku/uYtT4QXY8sl9EDJETD27o3Ewdi72hcXg1ah/kkUgBvAYHLwj2ofswFFNXS+FL5G+AGkxBtvGt8pFBHKlHsQ==
+  dependencies:
+    "@typescript-eslint/project-service" "8.42.0"
+    "@typescript-eslint/tsconfig-utils" "8.42.0"
+    "@typescript-eslint/types" "8.42.0"
+    "@typescript-eslint/visitor-keys" "8.42.0"
+    debug "^4.3.4"
+    fast-glob "^3.3.2"
+    is-glob "^4.0.3"
+    minimatch "^9.0.4"
+    semver "^7.6.0"
+    ts-api-utils "^2.1.0"
+
 "@typescript-eslint/utils@8.39.1":
   version "8.39.1"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/utils/-/utils-8.39.1.tgz#58a834f89f93b786ada2cd14d77fa63c3c8f408b"
@@ -569,6 +623,14 @@
     "@typescript-eslint/types" "8.39.1"
     eslint-visitor-keys "^4.2.1"
 
+"@typescript-eslint/visitor-keys@8.42.0":
+  version "8.42.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-8.42.0.tgz#87c6caaa1ac307bc73a87c1fc469f88f0162f27e"
+  integrity sha512-3WbiuzoEowaEn8RSnhJBrxSwX8ULYE9CXaPepS2C2W3NSA5NNIvBaslpBSBElPq0UGr0xVJlXFWOAKIkyylydQ==
+  dependencies:
+    "@typescript-eslint/types" "8.42.0"
+    eslint-visitor-keys "^4.2.1"
+
 abort-controller@^3.0.0:
   version "3.0.0"
   resolved "https://registry.npmjs.org/abort-controller/-/abort-controller-3.0.0.tgz"