diff --git a/src/apps/fido_u2f/knownapps.py b/src/apps/fido_u2f/knownapps.py
index 7f9ef47de8..91c7fb6fb4 100644
--- a/src/apps/fido_u2f/knownapps.py
+++ b/src/apps/fido_u2f/knownapps.py
@@ -8,4 +8,5 @@ knownapps = {
     hashlib.sha256(b'https://gitlab.com').digest()                               : 'GitLab',
     hashlib.sha256(b'https://www.gstatic.com/securitykey/origins.json').digest() : 'Google',
     hashlib.sha256(b'https://slushpool.com/static/security/u2f.json').digest()   : 'Slush Pool',
+    hashlib.sha256(b'https://demo.yubico.com').digest()                          : 'Yubico U2F Demo',
 }
diff --git a/src/apps/fido_u2f/res/u2f_yubico_u2f_demo.toif b/src/apps/fido_u2f/res/u2f_yubico_u2f_demo.toif
new file mode 100644
index 0000000000..d9fac9a20a
Binary files /dev/null and b/src/apps/fido_u2f/res/u2f_yubico_u2f_demo.toif differ