diff --git a/package-lock.json b/package-lock.json
index db2219d..4df44bf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
             "version": "2.0.2",
             "license": "GPL-3.0",
             "dependencies": {
-                "protobufjs": "^8.0.0"
+                "protobufjs": "^8.6.6"
             },
             "devDependencies": {
                 "@rollup/plugin-alias": "^6.0.0",
@@ -4079,9 +4079,9 @@
             }
         },
         "node_modules/protobufjs": {
-            "version": "8.6.4",
-            "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-8.6.4.tgz",
-            "integrity": "sha512-/+XMv9JalknuncEJSwsyEVlwcxVLKx2iaoSUXFZA86MJkdqyOdfrlB1sB7S6aKyUk9tl20YY+SgQe5J2sJHTcg==",
+            "version": "8.6.6",
+            "resolved": "https://registry.npmjs.org/protobufjs/-/protobufjs-8.6.6.tgz",
+            "integrity": "sha512-RkLIhE+Tdc2Kpq1F4Uw6OnpAXPca7B+GSDov/GqGCqNBpVyDskQ9yReZfgM+C7xw9AAix873iQZXbBWXj6NzYQ==",
             "license": "BSD-3-Clause",
             "dependencies": {
                 "long": "^5.3.2"
diff --git a/package.json b/package.json
index 29632ae..d9d0a6a 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
         "typecheck": "tsc --noEmit"
     },
     "dependencies": {
-        "protobufjs": "^8.0.0"
+        "protobufjs": "^8.6.6"
     },
     "devDependencies": {
         "@rollup/plugin-alias": "^6.0.0",