diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/lib/WebAuthn/rootCertificates/yubico.pem b/mailcow/src/mailcow-dockerized/data/web/inc/lib/WebAuthn/rootCertificates/yubico.pem
new file mode 100644
index 0000000..e1338a8
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/lib/WebAuthn/rootCertificates/yubico.pem
@@ -0,0 +1,42 @@
+Yubico U2F Device Attestation CA
+================================
+
+Last Update: 2014-09-01
+
+Yubico manufacturer U2F devices that contains device attestation
+certificates signed by a set of Yubico CAs.  This file contains the CA
+certificates that Relying Parties (RP) need to configure their
+software with to be able to verify U2F device certificates.
+
+This file has been signed with OpenPGP and you should verify the
+signature and the authenticity of the public key before trusting the
+content.  The signature is located next to the file:
+
+  https://developers.yubico.com/u2f/yubico-u2f-ca-certs.txt
+  https://developers.yubico.com/u2f/yubico-u2f-ca-certs.txt.sig
+
+We will update this file from time to time when we publish more CA
+certificates.
+
+Name: Yubico U2F Root CA Serial 457200631
+Issued: 2014-08-01
+
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----