diff --git a/sources b/sources
index a51e131..1b6e4e7 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (cysignals-1.7.2.tar.gz) = aa3526322f081877c5e9a51a4247a2b8c7c39bff0d96e2daabcfce27b7792e4403693a6077edc4198d57b8c72b7fd87eb42bd796cdc599d8963efd94b1100429
+SHA512 (cysignals-1.8.1.tar.gz) = 70b29b0ab99077ba89bf9aae89438c030076a93e790d2c278a7d87d22e458158a6b7ca74b95cc01ee3945eaa72b9862de57aec505a6b7eeb5a342345435f8768