diff --git a/tfjs-converter/demo/yarn.lock b/tfjs-converter/demo/yarn.lock
index 1b46928587..0c4d41cf64 100644
--- a/tfjs-converter/demo/yarn.lock
+++ b/tfjs-converter/demo/yarn.lock
@@ -1335,9 +1335,9 @@
   integrity sha1-Cf0V8tbTq/qbZbw2ZQbWrXhG/1Q=
 
 "@protobufjs/utf8@^1.1.0":
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/@protobufjs/utf8/-/utf8-1.1.0.tgz#a777360b5b39a1a2e5106f8e858f2fd2d060c570"
-  integrity sha1-p3c2C1s5oaLlEG+OhY8v0tBgxXA=
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/@protobufjs/utf8/-/utf8-1.1.1.tgz#eaee5900122c110a3dbcb728c0597014a2621774"
+  integrity sha512-oOAWABowe8EAbMyWKM0tYDKi8Yaox52D+HWZhAIJqQXbqe0xI/GV7FhLWqlEKreMkfDjshR5FKgi3mnle0h6Eg==
 
 "@swc/helpers@^0.2.11":
   version "0.2.14"
@@ -1847,8 +1847,7 @@ css-select@^4.1.3:
     domutils "^2.8.0"
     nth-check "^2.0.1"
 
-css-tree@^1.1.2, css-tree@^1.1.3, define-properties@^1.1.3:
-  name css-tree
+css-tree@^1.1.2, css-tree@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/css-tree/-/css-tree-1.1.3.tgz#eb4870fb6fd7707327ec95c2ff2ab09b5e8db91d"
   integrity sha512-tRpdppF7TRazZrjJ6v3stzv93qxRcSsFmW6cX0Zm2NVKpxE1WV1HblnghVv9TreireHkqI/VDEsfolRF1p6y7Q==
@@ -1929,6 +1928,14 @@ debug@^4.1.0:
   dependencies:
     ms "^2.1.1"
 
+define-properties@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/css-tree/-/css-tree-1.1.3.tgz#eb4870fb6fd7707327ec95c2ff2ab09b5e8db91d"
+  integrity sha512-tRpdppF7TRazZrjJ6v3stzv93qxRcSsFmW6cX0Zm2NVKpxE1WV1HblnghVv9TreireHkqI/VDEsfolRF1p6y7Q==
+  dependencies:
+    mdn-data "2.0.14"
+    source-map "^0.6.1"
+
 delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"