diff --git a/libraries/tommath b/libraries/tommath
index 1ffadc4..a09c536 160000
--- a/libraries/tommath
+++ b/libraries/tommath
@@ -1 +1 @@
-Subproject commit 1ffadc46807efce964bec69f38f94ad7093023af
+Subproject commit a09c53619e0785adf17a597c9e7fd60bbb6ecb09