diff --git a/package-lock.json b/package-lock.json
index 6df3d3d..93f8d71 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "mcp-gsheets",
-  "version": "1.5.2",
+  "version": "1.6.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "mcp-gsheets",
-      "version": "1.5.2",
+      "version": "1.6.0",
       "license": "MIT",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.17.1",
@@ -19,7 +19,7 @@
       "devDependencies": {
         "@types/node": "^24.1.0",
         "@typescript-eslint/eslint-plugin": "^6.21.0",
-        "@typescript-eslint/parser": "^6.21.0",
+        "@typescript-eslint/parser": "^8.54.0",
         "@vitest/coverage-v8": "^3.1.4",
         "@vitest/ui": "^3.1.4",
         "dotenv": "^17.2.1",
@@ -1254,32 +1254,184 @@
       }
     },
     "node_modules/@typescript-eslint/parser": {
-      "version": "6.21.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-6.21.0.tgz",
-      "integrity": "sha512-tbsV1jPne5CkFQCgPBcDOt30ItF7aJoZL997JSF7MhGQqOeT3svWRYxiqlfA5RUdlHN6Fi+EI9bxqbdyAUZjYQ==",
+      "version": "8.54.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.54.0.tgz",
+      "integrity": "sha512-BtE0k6cjwjLZoZixN0t5AKP0kSzlGu7FctRXYuPAm//aaiZhmfq1JwdYpYr1brzEspYyFeF+8XF5j2VK6oalrA==",
       "dev": true,
-      "license": "BSD-2-Clause",
+      "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/scope-manager": "6.21.0",
-        "@typescript-eslint/types": "6.21.0",
-        "@typescript-eslint/typescript-estree": "6.21.0",
-        "@typescript-eslint/visitor-keys": "6.21.0",
-        "debug": "^4.3.4"
+        "@typescript-eslint/scope-manager": "8.54.0",
+        "@typescript-eslint/types": "8.54.0",
+        "@typescript-eslint/typescript-estree": "8.54.0",
+        "@typescript-eslint/visitor-keys": "8.54.0",
+        "debug": "^4.4.3"
       },
       "engines": {
-        "node": "^16.0.0 || >=18.0.0"
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       },
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/typescript-eslint"
       },
       "peerDependencies": {
-        "eslint": "^7.0.0 || ^8.0.0"
+        "eslint": "^8.57.0 || ^9.0.0",
+        "typescript": ">=4.8.4 <6.0.0"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/scope-manager": {
+      "version": "8.54.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-8.54.0.tgz",
+      "integrity": "sha512-27rYVQku26j/PbHYcVfRPonmOlVI6gihHtXFbTdB5sb6qA0wdAQAbyXFVarQ5t4HRojIz64IV90YtsjQSSGlQg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/types": "8.54.0",
+        "@typescript-eslint/visitor-keys": "8.54.0"
       },
-      "peerDependenciesMeta": {
-        "typescript": {
-          "optional": true
-        }
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/types": {
+      "version": "8.54.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.54.0.tgz",
+      "integrity": "sha512-PDUI9R1BVjqu7AUDsRBbKMtwmjWcn4J3le+5LpcFgWULN3LvHC5rkc9gCVxbrsrGmO1jfPybN5s6h4Jy+OnkAA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/typescript-estree": {
+      "version": "8.54.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.54.0.tgz",
+      "integrity": "sha512-BUwcskRaPvTk6fzVWgDPdUndLjB87KYDrN5EYGetnktoeAvPtO4ONHlAZDnj5VFnUANg0Sjm7j4usBlnoVMHwA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/project-service": "8.54.0",
+        "@typescript-eslint/tsconfig-utils": "8.54.0",
+        "@typescript-eslint/types": "8.54.0",
+        "@typescript-eslint/visitor-keys": "8.54.0",
+        "debug": "^4.4.3",
+        "minimatch": "^9.0.5",
+        "semver": "^7.7.3",
+        "tinyglobby": "^0.2.15",
+        "ts-api-utils": "^2.4.0"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "typescript": ">=4.8.4 <6.0.0"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/@typescript-eslint/visitor-keys": {
+      "version": "8.54.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.54.0.tgz",
+      "integrity": "sha512-VFlhGSl4opC0bprJiItPQ1RfUhGDIBokcPwaFH4yiBCaNPeld/9VeXbiPO1cLyorQi1G1vL+ecBk1x8o1axORA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/types": "8.54.0",
+        "eslint-visitor-keys": "^4.2.1"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/eslint-visitor-keys": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-4.2.1.tgz",
+      "integrity": "sha512-Uhdk5sfqcee/9H/rCOJikYz67o0a2Tw2hGRPOG2Y1R2dg7brRe1uG0yaNQDHu+TO/uQPF/5eCapvYSmHUjt7JQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/eslint"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/minimatch": {
+      "version": "9.0.5",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-9.0.5.tgz",
+      "integrity": "sha512-G6T0ZX48xgozx7587koeX9Ys2NYy6Gmv//P89sEte9V9whIapMNF4idKxnW2QtCcLiTWlb/wfCabAtAFWhhBow==",
+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "brace-expansion": "^2.0.1"
+      },
+      "engines": {
+        "node": ">=16 || 14 >=14.17"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
+    },
+    "node_modules/@typescript-eslint/parser/node_modules/ts-api-utils": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/ts-api-utils/-/ts-api-utils-2.4.0.tgz",
+      "integrity": "sha512-3TaVTaAv2gTiMB35i3FiGJaRfwb3Pyn/j3m/bfAvGe8FB7CF6u+LMYqYlDh7reQf7UNvoTvdfAqHGmPGOSsPmA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18.12"
+      },
+      "peerDependencies": {
+        "typescript": ">=4.8.4"
+      }
+    },
+    "node_modules/@typescript-eslint/project-service": {
+      "version": "8.54.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/project-service/-/project-service-8.54.0.tgz",
+      "integrity": "sha512-YPf+rvJ1s7MyiWM4uTRhE4DvBXrEV+d8oC3P9Y2eT7S+HBS0clybdMIPnhiATi9vZOYDc7OQ1L/i6ga6NFYK/g==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@typescript-eslint/tsconfig-utils": "^8.54.0",
+        "@typescript-eslint/types": "^8.54.0",
+        "debug": "^4.4.3"
+      },
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "typescript": ">=4.8.4 <6.0.0"
+      }
+    },
+    "node_modules/@typescript-eslint/project-service/node_modules/@typescript-eslint/types": {
+      "version": "8.54.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.54.0.tgz",
+      "integrity": "sha512-PDUI9R1BVjqu7AUDsRBbKMtwmjWcn4J3le+5LpcFgWULN3LvHC5rkc9gCVxbrsrGmO1jfPybN5s6h4Jy+OnkAA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
       }
     },
     "node_modules/@typescript-eslint/scope-manager": {
@@ -1300,6 +1452,23 @@
         "url": "https://opencollective.com/typescript-eslint"
       }
     },
+    "node_modules/@typescript-eslint/tsconfig-utils": {
+      "version": "8.54.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.54.0.tgz",
+      "integrity": "sha512-dRgOyT2hPk/JwxNMZDsIXDgyl9axdJI3ogZ2XWhBPsnZUv+hPesa5iuhdYt2gzwA9t8RE5ytOJ6xB0moV0Ujvw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "typescript": ">=4.8.4 <6.0.0"
+      }
+    },
     "node_modules/@typescript-eslint/type-utils": {
       "version": "6.21.0",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-6.21.0.tgz",
@@ -2075,9 +2244,9 @@
       }
     },
     "node_modules/debug": {
-      "version": "4.4.1",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.1.tgz",
-      "integrity": "sha512-KcKCqiftBJcZr++7ykoDIEwSa3XWowTfNPo92BYxjXiyYEVrUQh2aLyhxBCwww+heortUFxEJYcRzosstTEBYQ==",
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.4.3.tgz",
+      "integrity": "sha512-RGwwWnwQvkVfavKVt22FGLw+xYSdzARwm0ru6DhTVA3umU5hZc28V3kO4stgYryrTlLpuvgI9GiijltAjNbcqA==",
       "license": "MIT",
       "dependencies": {
         "ms": "^2.1.3"
@@ -4508,9 +4677,9 @@
       "license": "MIT"
     },
     "node_modules/semver": {
-      "version": "7.7.2",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.2.tgz",
-      "integrity": "sha512-RF0Fw+rO5AMf9MAyaRXI4AV0Ulj5lMHqVxxdSgiVbixSCXoEmmX/jk0CuJw4+3SqroYO9VoUh+HcuJivvtJemA==",
+      "version": "7.7.4",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.4.tgz",
+      "integrity": "sha512-vFKC2IEtQnVhpT78h1Yp8wzwrf8CM+MzKMHGJZfBtzhZNycRFnXsHk6E5TxIkkMsgNS7mdX3AGB7x2QM2di4lA==",
       "dev": true,
       "license": "ISC",
       "bin": {
@@ -5086,14 +5255,14 @@
       "license": "MIT"
     },
     "node_modules/tinyglobby": {
-      "version": "0.2.14",
-      "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.14.tgz",
-      "integrity": "sha512-tX5e7OM1HnYr2+a2C/4V0htOcSQcoSTH9KgJnVvNm5zm/cyEWKJ7j7YutsH9CxMdtOkkLFy2AHrMci9IM8IPZQ==",
+      "version": "0.2.15",
+      "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.15.tgz",
+      "integrity": "sha512-j2Zq4NyQYG5XMST4cbs02Ak8iJUdxRM0XI5QyxXuZOzKOINmWurp3smXu3y5wDcJrptwpSjgXHzIQxR0omXljQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "fdir": "^6.4.4",
-        "picomatch": "^4.0.2"
+        "fdir": "^6.5.0",
+        "picomatch": "^4.0.3"
       },
       "engines": {
         "node": ">=12.0.0"
@@ -5103,11 +5272,14 @@
       }
     },
     "node_modules/tinyglobby/node_modules/fdir": {
-      "version": "6.4.6",
-      "resolved": "https://registry.npmjs.org/fdir/-/fdir-6.4.6.tgz",
-      "integrity": "sha512-hiFoqpyZcfNm1yc4u8oWCf9A2c4D3QjCrks3zmoVKVxpQRzmPNar1hUJcBG2RQHvEVGDN+Jm81ZheVLAQMK6+w==",
+      "version": "6.5.0",
+      "resolved": "https://registry.npmjs.org/fdir/-/fdir-6.5.0.tgz",
+      "integrity": "sha512-tIbYtZbucOs0BRGqPJkshJUYdL+SDH7dVM8gjy+ERp3WAUjLEFJE+02kanyHtwjWOnwrKYBiwAmM0p4kLJAnXg==",
       "dev": true,
       "license": "MIT",
+      "engines": {
+        "node": ">=12.0.0"
+      },
       "peerDependencies": {
         "picomatch": "^3 || ^4"
       },
diff --git a/package.json b/package.json
index bfb77b7..74184ef 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
   "devDependencies": {
     "@types/node": "^24.1.0",
     "@typescript-eslint/eslint-plugin": "^6.21.0",
-    "@typescript-eslint/parser": "^6.21.0",
+    "@typescript-eslint/parser": "^8.54.0",
     "@vitest/coverage-v8": "^3.1.4",
     "@vitest/ui": "^3.1.4",
     "dotenv": "^17.2.1",