diff --git a/QuantLib b/QuantLib
index 9709f205dc..4c9f25205a 160000
--- a/QuantLib
+++ b/QuantLib
@@ -1 +1 @@
-Subproject commit 9709f205dcc3b27f10ae7e816bc47973e32b42a3
+Subproject commit 4c9f25205a49faa518f23227e52d5914923ccb09