diff --git a/deps/libtommath b/deps/libtommath
index 04e9d1e..66de864 160000
--- a/deps/libtommath
+++ b/deps/libtommath
@@ -1 +1 @@
-Subproject commit 04e9d1e7a0493910b2eb5e757d623870692ada04
+Subproject commit 66de86426e9cdb88526974c765108f01554af2b0