diff --git a/.changeset/red-ligers-eat.md b/.changeset/red-ligers-eat.md
new file mode 100644
index 000000000..2518782b0
--- /dev/null
+++ b/.changeset/red-ligers-eat.md
@@ -0,0 +1,5 @@
+---
+'@web/polyfills-loader': patch
+---
+
+update version of SCER polyfill
diff --git a/package-lock.json b/package-lock.json
index 0f452239c..fca102552 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8210,12 +8210,6 @@
       "resolved": "packages/test-runner-webdriver",
       "link": true
     },
-    "node_modules/@webcomponents/scoped-custom-element-registry": {
-      "version": "0.0.9",
-      "resolved": "https://registry.npmjs.org/@webcomponents/scoped-custom-element-registry/-/scoped-custom-element-registry-0.0.9.tgz",
-      "integrity": "sha512-4RVHwN9oIp23mhrxeDbP9/0wvdcrB0d/MFMqIStShIgfzsqXZXf1OdU5kvqjgdMYavQ5Zm8C6BuBcAjzNwAetQ==",
-      "license": "BSD-3-Clause"
-    },
     "node_modules/@webcomponents/shadycss": {
       "version": "1.11.2",
       "resolved": "https://registry.npmjs.org/@webcomponents/shadycss/-/shadycss-1.11.2.tgz",
@@ -36776,7 +36770,7 @@
       "dependencies": {
         "@babel/core": "^7.12.10",
         "@web/parse5-utils": "^2.1.0",
-        "@webcomponents/scoped-custom-element-registry": "^0.0.9",
+        "@webcomponents/scoped-custom-element-registry": "^0.0.10",
         "@webcomponents/shadycss": "^1.11.0",
         "@webcomponents/webcomponentsjs": "^2.5.0",
         "abortcontroller-polyfill": "^1.5.0",
@@ -36803,6 +36797,11 @@
         "node": ">=18.0.0"
       }
     },
+    "packages/polyfills-loader/node_modules/@webcomponents/scoped-custom-element-registry": {
+      "version": "0.0.10",
+      "resolved": "https://registry.npmjs.org/@webcomponents/scoped-custom-element-registry/-/scoped-custom-element-registry-0.0.10.tgz",
+      "integrity": "sha512-wP4LF28aysE2Pq3NQRNQxko7Q0vOOwcoOSMg8FFI4S6z76UuXkYIc5ndC31dJMwso1/vSteL75LW2CEKedAJbA=="
+    },
     "packages/rollup-plugin-copy": {
       "name": "@web/rollup-plugin-copy",
       "version": "0.5.1",
diff --git a/packages/polyfills-loader/package.json b/packages/polyfills-loader/package.json
index 1a2816d66..3cfc33bb1 100644
--- a/packages/polyfills-loader/package.json
+++ b/packages/polyfills-loader/package.json
@@ -48,7 +48,7 @@
   "dependencies": {
     "@babel/core": "^7.12.10",
     "@web/parse5-utils": "^2.1.0",
-    "@webcomponents/scoped-custom-element-registry": "^0.0.9",
+    "@webcomponents/scoped-custom-element-registry": "^0.0.10",
     "@webcomponents/shadycss": "^1.11.0",
     "@webcomponents/webcomponentsjs": "^2.5.0",
     "abortcontroller-polyfill": "^1.5.0",