diff --git a/src/aecdump-viewer/package.json b/src/aecdump-viewer/package.json
index aac8477..f8855e3 100644
--- a/src/aecdump-viewer/package.json
+++ b/src/aecdump-viewer/package.json
@@ -21,7 +21,7 @@
   },
   "devDependencies": {
     "@playwright/test": "^1.41.2",
-    "protobufjs-cli": "^1.1.1",
+    "protobufjs-cli": "^1.3.3",
     "tslib": "^2.6.2",
     "typescript": "^5.3.3",
     "vite": "^5.0.12"
diff --git a/src/aecdump-viewer/yarn.lock b/src/aecdump-viewer/yarn.lock
index 5257b10..9f8cbb9 100644
--- a/src/aecdump-viewer/yarn.lock
+++ b/src/aecdump-viewer/yarn.lock
@@ -776,10 +776,10 @@ prelude-ls@~1.1.2:
   resolved "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
   integrity sha512-ESF23V4SKG6lVSGZgYNpbsiaAkdab6ZgOxe52p7+Kid3W3u3bxR4Vfd/o21dmN7jSt0IwgZ4v5MUd26FEtXE9w==
 
-protobufjs-cli@^1.1.1:
-  version "1.3.0"
-  resolved "https://registry.npmjs.org/protobufjs-cli/-/protobufjs-cli-1.3.0.tgz#a5849b91421485d2a504206456662ff1e73c8d57"
-  integrity sha512-vIb5o20PPMDH6dw9jPhO1kbC9UJEQor3ENtMOkNi4AjRp5FsrNtqrWgRRNTUcFcnUNhmil54Y1W3fxGADqu0kA==
+protobufjs-cli@^1.3.3:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/protobufjs-cli/-/protobufjs-cli-1.3.3.tgz#72ed54b9b634e9191351d2a4db68363dde76fc4a"
+  integrity sha512-zwmt6JeStPjeofZbl+QADexAVzP1EgsIAsO7mCfKkW/8oBxHwgTqJ1aD7zDrcCC0Nb+SLWSvCR3RDaKgIO3P8w==
   dependencies:
     chalk "^4.0.0"
     escodegen "^1.13.0"