diff --git a/releases/signatures.txt b/releases/signatures.txt
index dd51e3eb..14424b24 100644
--- a/releases/signatures.txt
+++ b/releases/signatures.txt
@@ -7,6 +7,8 @@ b6015f2f807bc78b6063ed6c12a12a47579a81a68f954cfc2e542e7ac6c02c0e  History-Q.md
 05228d2c59135c3fe251d877b519bec65f929ecf0aac8b727622359014236568  History-Mk4.md
 c8ad43b4e3f9d77777026da6d1210c6fc5cfe435bcfcd241c0f67c9392ad7b82  History-Mk3.md
 45cd0478996bb9da77075846122b8ba732b9b34dbbae0d12cb85ad0d931d40fc  ChangeLog.md
+eb750a4f095eacc6133b2c8b38fe0738a22b2496a6cdf423ca865acde8c9bc4e  2025-02-13T1415-v5.4.1-mk4-coldcard.dfu
+4236453fea241fe044a462a560d8b42df43e560683110306a2714a2ef561eac5  2025-02-13T1415-v5.4.1-mk4-coldcard-factory.dfu
 2e1aad0a7a3ceb84db34322b54855a0c5496699e46e53606bfa443fcc992adec  2025-02-13T1413-v1.3.1Q-q1-coldcard.dfu
 e43932d04bf782f7b9ba218b54f29b9cd361b83ac3aadff9722714bca1ab7ee9  2025-02-13T1413-v1.3.1Q-q1-coldcard-factory.dfu
 681874256bcfca71a3908f1dd6c623804517fdba99a51ed04c73b96119650c13  2024-12-18T1413-v6.3.4X-mk4-coldcard.dfu
@@ -100,12 +102,12 @@ f05bc8dfed047c0c0abe5ed60621d2d14899b10717221c4af0942d96a1754f33  2021-03-29T192
 bea27f263b524a66b3ed0a58c16805e98be0d7c3db20c2f7aab3238f2c6a6995  2019-12-19T1623-v3.0.6-coldcard.dfu
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