diff --git a/package.json b/package.json
index 6db1ef7f815c35743bcebdb7347a1158b096b04a..ed8cbcee47091238dd197f418adf91f612315a09 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,8 @@
         "@dbp-toolkit/organization-select": "^0.2.0",
         "@dbp-toolkit/person-profile": "^0.2.0",
         "@digital-blueprint/annotpdf": "^1.0.13-a",
-        "@open-wc/scoped-elements": "^2.0.0",
+        "@open-wc/scoped-elements": "^2.1.0",
+        "@webcomponents/scoped-custom-element-registry": "^0.0.5",
         "fabric": "^5.0.0",
         "file-saver": "^2.0.2",
         "i18next": "^21.4.2",
diff --git a/src/dbp-signature.js b/src/dbp-signature.js
index 81661050707422ca382e267700306bffab452425..d9533515d90adc0a2b2c320a09db0295ab891255 100644
--- a/src/dbp-signature.js
+++ b/src/dbp-signature.js
@@ -1,3 +1,4 @@
+import '@webcomponents/scoped-custom-element-registry';
 import {AppShell} from '@dbp-toolkit/app-shell';
 import * as commonUtils from '@dbp-toolkit/common/utils';
 import {Translated} from '@dbp-toolkit/common/src/translated';
diff --git a/yarn.lock b/yarn.lock
index e9f825f4a695c432fa94c92c92ab5ab087f34bd5..89e64d0fff7e6110ee0a94c65bce09fa5c24308e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1039,7 +1039,7 @@
   resolved "https://registry.yarnpkg.com/@open-wc/dedupe-mixin/-/dedupe-mixin-1.3.0.tgz#0df5d438285fc3482838786ee81895318f0ff778"
   integrity sha512-UfdK1MPnR6T7f3svzzYBfu3qBkkZ/KsPhcpc3JYhsUY4hbpwNF9wEQtD4Z+/mRqMTJrKg++YSxIxE0FBhY3RIw==
 
-"@open-wc/scoped-elements@^2.0.0", "@open-wc/scoped-elements@^2.1.0":
+"@open-wc/scoped-elements@^2.1.0":
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/@open-wc/scoped-elements/-/scoped-elements-2.1.1.tgz#a43a2167d259af1f113301fcc93b1b9a6c371991"
   integrity sha512-qQAtVIK2H1oUIM2oSrCBnf1+ZGHd2nIowt1tete+Dn9rNXIogAMJlUBY/R1NR9MuuJvQ1MeFjgQoDmb05TUdkw==
@@ -1340,6 +1340,11 @@
   resolved "https://registry.yarnpkg.com/@ungap/promise-all-settled/-/promise-all-settled-1.1.2.tgz#aa58042711d6e3275dd37dc597e5d31e8c290a44"
   integrity sha512-sL/cEvJWAnClXw0wHk85/2L0G6Sj8UB0Ctc1TEMbKSsmpRosqhwj9gWgFRZSrBr2f9tiXISwNhCPmlfqUqyb9Q==
 
+"@webcomponents/scoped-custom-element-registry@^0.0.5":
+  version "0.0.5"
+  resolved "https://registry.yarnpkg.com/@webcomponents/scoped-custom-element-registry/-/scoped-custom-element-registry-0.0.5.tgz#96377f6a5587c76479b90d13deb7674b51b82603"
+  integrity sha512-vtlIyf+b657A1MWY69uTTJaGYwqUS3Lnm0+n2vLyuVf5MYOwSOB3Mx42AyBxz/6t9gw+IDelm1HQFOiA1xZCEQ==
+
 "@yarn-tool/resolve-package@^1.0.40":
   version "1.0.46"
   resolved "https://registry.yarnpkg.com/@yarn-tool/resolve-package/-/resolve-package-1.0.46.tgz#db7354380e5ca7682294af59e5ab0f7fce640ac1"