diff --git a/package-lock.json b/package-lock.json
index 809a931..a714ae8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "timetable-api-cloud-func",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "timetable-api-cloud-func",
-      "version": "1.0.0",
+      "version": "1.1.0",
       "license": "WTFPL",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.29.0",
@@ -17,7 +17,7 @@
         "gtfs-realtime-bindings": "^1.1.1",
         "lokijs": "^1.5.12",
         "npm-config": "^0.2.0",
-        "protobufjs": ">=8.0.1",
+        "protobufjs": ">=8.0.3",
         "public-google-sheets-parser": "^1.3.2",
         "tar": ">=4.4.18",
         "zod": "^4.3.6"
@@ -3159,22 +3159,12 @@
       }
     },
     "node_modules/protobufjs": {
-      "version": "8.0.1",
-      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-8.0.1.tgz",
-      "integrity": "sha512-NWWCCscLjs+cOKF/s/XVNFRW7Yih0fdH+9brffR5NZCy8k42yRdl5KlWKMVXuI1vfCoy4o1z80XR/W/QUb3V3w==",
+      "version": "8.0.3",
+      "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-8.0.3.tgz",
+      "integrity": "sha512-LBYnMWkKLB8fE/ljROPDbCl7mgLSlI+oBe1fAAr5MTqFg4TIi0tYrVVurJvQggOjnUYMQtEZBjrej59ojMNTHQ==",
       "hasInstallScript": true,
       "license": "BSD-3-Clause",
       "dependencies": {
-        "@protobufjs/aspromise": "^1.1.2",
-        "@protobufjs/base64": "^1.1.2",
-        "@protobufjs/codegen": "^2.0.4",
-        "@protobufjs/eventemitter": "^1.1.0",
-        "@protobufjs/fetch": "^1.1.0",
-        "@protobufjs/float": "^1.0.2",
-        "@protobufjs/inquire": "^1.1.0",
-        "@protobufjs/path": "^1.1.2",
-        "@protobufjs/pool": "^1.1.0",
-        "@protobufjs/utf8": "^1.1.0",
         "@types/node": ">=13.7.0",
         "long": "^5.0.0"
       },
diff --git a/package.json b/package.json
index f1245ec..cbc76d9 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "gtfs-realtime-bindings": "^1.1.1",
     "lokijs": "^1.5.12",
     "npm-config": "^0.2.0",
-    "protobufjs": ">=8.0.1",
+    "protobufjs": ">=8.0.3",
     "public-google-sheets-parser": "^1.3.2",
     "tar": ">=4.4.18",
     "zod": "^4.3.6"