diff --git a/.eslintrc.js b/.eslintrc.js
index c0a10350..2578e9f0 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -59,5 +59,11 @@ module.exports = {
         ],
       },
     },
+    {
+      files: ['**/*.spec.ts'],
+      rules: {
+        '@typescript-eslint/no-unused-expressions': 0,
+      },
+    },
   ],
 };
diff --git a/package.json b/package.json
index fe3273b3..d84292b8 100644
--- a/package.json
+++ b/package.json
@@ -36,8 +36,8 @@
     "@types/mocha": "10.0.9",
     "@types/node": "20.16.11",
     "@types/sinon-chai": "4.0.0",
-    "@typescript-eslint/eslint-plugin": "7.18.0",
-    "@typescript-eslint/parser": "7.18.0",
+    "@typescript-eslint/eslint-plugin": "8.8.1",
+    "@typescript-eslint/parser": "8.8.1",
     "chai": "4.5.0",
     "cypress": "13.15.0",
     "eslint": "8.57.1",
diff --git a/src/firebase-utils.ts b/src/firebase-utils.ts
index 9a2b4e67..1ee9e3b5 100644
--- a/src/firebase-utils.ts
+++ b/src/firebase-utils.ts
@@ -60,7 +60,7 @@ function getServiceAccount(): ServiceAccount | undefined {
   if (serviceAccountEnvVar) {
     try {
       return JSON.parse(serviceAccountEnvVar);
-    } catch (err) {
+    } catch {
       /* eslint-disable no-console */
       console.warn(
         `cypress-firebase: Issue parsing "SERVICE_ACCOUNT" environment variable from string to object, returning string`,
diff --git a/yarn.lock b/yarn.lock
index d86521df..350eea3b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2453,89 +2453,87 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@typescript-eslint/eslint-plugin@npm:7.18.0":
-  version: 7.18.0
-  resolution: "@typescript-eslint/eslint-plugin@npm:7.18.0"
+"@typescript-eslint/eslint-plugin@npm:8.8.1":
+  version: 8.8.1
+  resolution: "@typescript-eslint/eslint-plugin@npm:8.8.1"
   dependencies:
     "@eslint-community/regexpp": "npm:^4.10.0"
-    "@typescript-eslint/scope-manager": "npm:7.18.0"
-    "@typescript-eslint/type-utils": "npm:7.18.0"
-    "@typescript-eslint/utils": "npm:7.18.0"
-    "@typescript-eslint/visitor-keys": "npm:7.18.0"
+    "@typescript-eslint/scope-manager": "npm:8.8.1"
+    "@typescript-eslint/type-utils": "npm:8.8.1"
+    "@typescript-eslint/utils": "npm:8.8.1"
+    "@typescript-eslint/visitor-keys": "npm:8.8.1"
     graphemer: "npm:^1.4.0"
     ignore: "npm:^5.3.1"
     natural-compare: "npm:^1.4.0"
     ts-api-utils: "npm:^1.3.0"
   peerDependencies:
-    "@typescript-eslint/parser": ^7.0.0
-    eslint: ^8.56.0
+    "@typescript-eslint/parser": ^8.0.0 || ^8.0.0-alpha.0
+    eslint: ^8.57.0 || ^9.0.0
   peerDependenciesMeta:
     typescript:
       optional: true
-  checksum: 10c0/2b37948fa1b0dab77138909dabef242a4d49ab93e4019d4ef930626f0a7d96b03e696cd027fa0087881c20e73be7be77c942606b4a76fa599e6b37f6985304c3
+  checksum: 10c0/020a0a482202b34c6665a56ec5902e38ae1870b2600ec1b2092de352b23099dde553781ee8323974f63962ebe164a6304f0019e937afb5cf7854b0e0163ad1ca
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-  version: 7.18.0
-  resolution: "@typescript-eslint/parser@npm:7.18.0"
+"@typescript-eslint/parser@npm:8.8.1":
+  version: 8.8.1
+  resolution: "@typescript-eslint/parser@npm:8.8.1"
   dependencies:
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-    "@typescript-eslint/types": "npm:7.18.0"
-    "@typescript-eslint/typescript-estree": "npm:7.18.0"
-    "@typescript-eslint/visitor-keys": "npm:7.18.0"
+    "@typescript-eslint/scope-manager": "npm:8.8.1"
+    "@typescript-eslint/types": "npm:8.8.1"
+    "@typescript-eslint/typescript-estree": "npm:8.8.1"
+    "@typescript-eslint/visitor-keys": "npm:8.8.1"
     debug: "npm:^4.3.4"
   peerDependencies:
-    eslint: ^8.56.0
+    eslint: ^8.57.0 || ^9.0.0
   peerDependenciesMeta:
     typescript:
       optional: true
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   languageName: node
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-  version: 7.18.0
-  resolution: "@typescript-eslint/scope-manager@npm:7.18.0"
+"@typescript-eslint/scope-manager@npm:8.8.1":
+  version: 8.8.1
+  resolution: "@typescript-eslint/scope-manager@npm:8.8.1"
   dependencies:
-    "@typescript-eslint/types": "npm:7.18.0"
-    "@typescript-eslint/visitor-keys": "npm:7.18.0"
-  checksum: 10c0/038cd58c2271de146b3a594afe2c99290034033326d57ff1f902976022c8b0138ffd3cb893ae439ae41003b5e4bcc00cabf6b244ce40e8668f9412cc96d97b8e
+    "@typescript-eslint/types": "npm:8.8.1"
+    "@typescript-eslint/visitor-keys": "npm:8.8.1"
+  checksum: 10c0/6f697baf087aedc3f0f228ff964fd108a9dd33fe4e5cc6c914be6367c324cee55629e099832668042bedfec8cdc72c6ef2ca960ee26966dbcc75753059a1352f
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-  version: 7.18.0
-  resolution: "@typescript-eslint/type-utils@npm:7.18.0"
+"@typescript-eslint/type-utils@npm:8.8.1":
+  version: 8.8.1
+  resolution: "@typescript-eslint/type-utils@npm:8.8.1"
   dependencies:
-    "@typescript-eslint/typescript-estree": "npm:7.18.0"
-    "@typescript-eslint/utils": "npm:7.18.0"
+    "@typescript-eslint/typescript-estree": "npm:8.8.1"
+    "@typescript-eslint/utils": "npm:8.8.1"
     debug: "npm:^4.3.4"
     ts-api-utils: "npm:^1.3.0"
-  peerDependencies:
-    eslint: ^8.56.0
   peerDependenciesMeta:
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+  checksum: 10c0/6edfc2b9fca5233dd922141f080377b677db1093ec3e702a3ab52d58f77b91c0fb69479d4d42f125536b8fc0ffa85c07c7de2f17cc4c6fa1df1226ec01e5608c
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-  version: 7.18.0
-  resolution: "@typescript-eslint/types@npm:7.18.0"
-  checksum: 10c0/eb7371ac55ca77db8e59ba0310b41a74523f17e06f485a0ef819491bc3dd8909bb930120ff7d30aaf54e888167e0005aa1337011f3663dc90fb19203ce478054
+"@typescript-eslint/types@npm:8.8.1":
+  version: 8.8.1
+  resolution: "@typescript-eslint/types@npm:8.8.1"
+  checksum: 10c0/4b44857332a0b1bfafbeccb8be157f8266d9e226ac723f6af1272b9b670b49444423ddac733655163eb3b90e8c88393a68ab2d7f326f5775371eaf4b9ca31d7b
   languageName: node
   linkType: hard
 
-"@typescript-eslint/typescript-estree@npm:7.18.0":
-  version: 7.18.0
-  resolution: "@typescript-eslint/typescript-estree@npm:7.18.0"
+"@typescript-eslint/typescript-estree@npm:8.8.1":
+  version: 8.8.1
+  resolution: "@typescript-eslint/typescript-estree@npm:8.8.1"
   dependencies:
-    "@typescript-eslint/types": "npm:7.18.0"
-    "@typescript-eslint/visitor-keys": "npm:7.18.0"
+    "@typescript-eslint/types": "npm:8.8.1"
+    "@typescript-eslint/visitor-keys": "npm:8.8.1"
     debug: "npm:^4.3.4"
-    globby: "npm:^11.1.0"
+    fast-glob: "npm:^3.3.2"
     is-glob: "npm:^4.0.3"
     minimatch: "npm:^9.0.4"
     semver: "npm:^7.6.0"
@@ -2543,31 +2541,31 @@ __metadata:
   peerDependenciesMeta:
     typescript:
       optional: true
-  checksum: 10c0/0c7f109a2e460ec8a1524339479cf78ff17814d23c83aa5112c77fb345e87b3642616291908dcddea1e671da63686403dfb712e4a4435104f92abdfddf9aba81
+  checksum: 10c0/e3b9bc1e925c07833237044271cdc9bd8bdba3e2143dcfc5bf3bf481c89731b666a6fad25333a4b1980ac2f4c6f5e6e42c71206f73f3704e319f6b3b67463a6a
   languageName: node
   linkType: hard
 
-"@typescript-eslint/utils@npm:7.18.0":
-  version: 7.18.0
-  resolution: "@typescript-eslint/utils@npm:7.18.0"
+"@typescript-eslint/utils@npm:8.8.1":
+  version: 8.8.1
+  resolution: "@typescript-eslint/utils@npm:8.8.1"
   dependencies:
     "@eslint-community/eslint-utils": "npm:^4.4.0"
-    "@typescript-eslint/scope-manager": "npm:7.18.0"
-    "@typescript-eslint/types": "npm:7.18.0"
-    "@typescript-eslint/typescript-estree": "npm:7.18.0"
+    "@typescript-eslint/scope-manager": "npm:8.8.1"
+    "@typescript-eslint/types": "npm:8.8.1"
+    "@typescript-eslint/typescript-estree": "npm:8.8.1"
   peerDependencies:
-    eslint: ^8.56.0
-  checksum: 10c0/a25a6d50eb45c514469a01ff01f215115a4725fb18401055a847ddf20d1b681409c4027f349033a95c4ff7138d28c3b0a70253dfe8262eb732df4b87c547bd1e
+    eslint: ^8.57.0 || ^9.0.0
+  checksum: 10c0/954a2e85ae56a3ebefb6e41fb33c59ffa886963860536e9729a35ecea55eefdc58858c7aa126048c4a61f4fd9997b4f7601e7884ed2b3e4e7a46c9e4617a9f29
   languageName: node
   linkType: hard
 
-"@typescript-eslint/visitor-keys@npm:7.18.0":
-  version: 7.18.0
-  resolution: "@typescript-eslint/visitor-keys@npm:7.18.0"
+"@typescript-eslint/visitor-keys@npm:8.8.1":
+  version: 8.8.1
+  resolution: "@typescript-eslint/visitor-keys@npm:8.8.1"
   dependencies:
-    "@typescript-eslint/types": "npm:7.18.0"
+    "@typescript-eslint/types": "npm:8.8.1"
     eslint-visitor-keys: "npm:^3.4.3"
-  checksum: 10c0/538b645f8ff1d9debf264865c69a317074eaff0255e63d7407046176b0f6a6beba34a6c51d511f12444bae12a98c69891eb6f403c9f54c6c2e2849d1c1cb73c0
+  checksum: 10c0/6f917090b61277bd443aa851c532c4a9cc91ad57aedf185c5dff0c530f158cce84ef815833bd8deffa87f0bbf7a9f1abd1e02e30af2463c4e7f27c0c08f59080
   languageName: node
   linkType: hard
 
@@ -3168,13 +3166,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"array-union@npm:^2.1.0":
-  version: 2.1.0
-  resolution: "array-union@npm:2.1.0"
-  checksum: 10c0/429897e68110374f39b771ec47a7161fc6a8fc33e196857c0a396dc75df0b5f65e4d046674db764330b6bb66b39ef48dd7c53b6a2ee75cfb0681e0c1a7033962
-  languageName: node
-  linkType: hard
-
 "array.prototype.findlastindex@npm:^1.2.5":
   version: 1.2.5
   resolution: "array.prototype.findlastindex@npm:1.2.5"
@@ -4601,8 +4592,8 @@ __metadata:
     "@types/mocha": "npm:10.0.9"
     "@types/node": "npm:20.16.11"
     "@types/sinon-chai": "npm:4.0.0"
-    "@typescript-eslint/eslint-plugin": "npm:7.18.0"
-    "@typescript-eslint/parser": "npm:7.18.0"
+    "@typescript-eslint/eslint-plugin": "npm:8.8.1"
+    "@typescript-eslint/parser": "npm:8.8.1"
     chai: "npm:4.5.0"
     cypress: "npm:13.15.0"
     eslint: "npm:8.57.1"
@@ -5015,15 +5006,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"dir-glob@npm:^3.0.1":
-  version: 3.0.1
-  resolution: "dir-glob@npm:3.0.1"
-  dependencies:
-    path-type: "npm:^4.0.0"
-  checksum: 10c0/dcac00920a4d503e38bb64001acb19df4efc14536ada475725e12f52c16777afdee4db827f55f13a908ee7efc0cb282e2e3dbaeeb98c0993dd93d1802d3bf00c
-  languageName: node
-  linkType: hard
-
 "discontinuous-range@npm:1.0.0":
   version: 1.0.0
   resolution: "discontinuous-range@npm:1.0.0"
@@ -6294,16 +6276,16 @@ __metadata:
   languageName: node
   linkType: hard
 
-"fast-glob@npm:^3.2.9":
-  version: 3.3.1
-  resolution: "fast-glob@npm:3.3.1"
+"fast-glob@npm:^3.3.2":
+  version: 3.3.2
+  resolution: "fast-glob@npm:3.3.2"
   dependencies:
     "@nodelib/fs.stat": "npm:^2.0.2"
     "@nodelib/fs.walk": "npm:^1.2.3"
     glob-parent: "npm:^5.1.2"
     merge2: "npm:^1.3.0"
     micromatch: "npm:^4.0.4"
-  checksum: 10c0/b68431128fb6ce4b804c5f9622628426d990b66c75b21c0d16e3d80e2d1398bf33f7e1724e66a2e3f299285dcf5b8d745b122d0304e7dd66f5231081f33ec67c
+  checksum: 10c0/42baad7b9cd40b63e42039132bde27ca2cb3a4950d0a0f9abe4639ea1aa9d3e3b40f98b1fe31cbc0cc17b664c9ea7447d911a152fa34ec5b72977b125a6fc845
   languageName: node
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@@ -7267,20 +7249,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"globby@npm:^11.1.0":
-  version: 11.1.0
-  resolution: "globby@npm:11.1.0"
-  dependencies:
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-    dir-glob: "npm:^3.0.1"
-    fast-glob: "npm:^3.2.9"
-    ignore: "npm:^5.2.0"
-    merge2: "npm:^1.4.1"
-    slash: "npm:^3.0.0"
-  checksum: 10c0/b39511b4afe4bd8a7aead3a27c4ade2b9968649abab0a6c28b1a90141b96ca68ca5db1302f7c7bd29eab66bf51e13916b8e0a3d0ac08f75e1e84a39b35691189
-  languageName: node
-  linkType: hard
-
 "google-auth-library@npm:^9.11.0, google-auth-library@npm:^9.6.3":
   version: 9.12.0
   resolution: "google-auth-library@npm:9.12.0"
@@ -9539,7 +9507,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"merge2@npm:^1.3.0, merge2@npm:^1.4.1":
+"merge2@npm:^1.3.0":
   version: 1.4.1
   resolution: "merge2@npm:1.4.1"
   checksum: 10c0/254a8a4605b58f450308fc474c82ac9a094848081bf4c06778200207820e5193726dc563a0d2c16468810516a5c97d9d3ea0ca6585d23c58ccfff2403e8dbbeb
@@ -10753,13 +10721,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"path-type@npm:^4.0.0":
-  version: 4.0.0
-  resolution: "path-type@npm:4.0.0"
-  checksum: 10c0/666f6973f332f27581371efaf303fd6c272cc43c2057b37aa99e3643158c7e4b2626549555d88626e99ea9e046f82f32e41bbde5f1508547e9a11b149b52387c
-  languageName: node
-  linkType: hard
-
 "pathval@npm:^1.1.1":
   version: 1.1.1
   resolution: "pathval@npm:1.1.1"
@@ -12077,13 +12038,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"slash@npm:^3.0.0":
-  version: 3.0.0
-  resolution: "slash@npm:3.0.0"
-  checksum: 10c0/e18488c6a42bdfd4ac5be85b2ced3ccd0224773baae6ad42cfbb9ec74fc07f9fa8396bd35ee638084ead7a2a0818eb5e7151111544d4731ce843019dab4be47b
-  languageName: node
-  linkType: hard
-
 "slashes@npm:^3.0.12":
   version: 3.0.12
   resolution: "slashes@npm:3.0.12"