diff --git a/vendor/secp256k1 b/vendor/secp256k1
index e3a885d..642c885 160000
--- a/vendor/secp256k1
+++ b/vendor/secp256k1
@@ -1 +1 @@
-Subproject commit e3a885d42a7800c1ccebad94ad1e2b82c4df5c65
+Subproject commit 642c885b6102725e25623738529895a95addc4f4