diff --git a/sources b/sources
index f60b327..c644e6c 100644
--- a/sources
+++ b/sources
@@ -1 +1,2 @@
 SHA512 (libabigail-2.3.tar.xz) = fdf0df51e2c262c723c11bef58cd0b89b27e67be196edeb33444fc06e7e61d3c2c227f59cb961aea6fc0c9b7f6f04e08b787a1cbbeb3d5507b968b8ae7630527
+SHA512 (0001-ir-Remove-redundant-virtual-member-functions.patch) = 4c7e4b3a0651ac156922024c2055ce18917dc5b7570e1cbb14f2ba54031dd5c884bbeeaee7f5c829b25e1adfdd3798df17c9b9609dfc4ff3163a770401d9a95c