diff --git a/secp256k1/bitcoin-core-secp256k1 b/secp256k1/bitcoin-core-secp256k1
index 8ae56e33..642c885b 160000
--- a/secp256k1/bitcoin-core-secp256k1
+++ b/secp256k1/bitcoin-core-secp256k1
@@ -1 +1 @@
-Subproject commit 8ae56e33e749e16880dbfb4444fdae238b4426ac
+Subproject commit 642c885b6102725e25623738529895a95addc4f4