diff --git a/lib/vendor/Silex b/lib/vendor/Silex
index 90c2c4209a..8311149945 160000
--- a/lib/vendor/Silex
+++ b/lib/vendor/Silex
@@ -1 +1 @@
-Subproject commit 90c2c4209a5cc3d8ceb147d8035876a321a3d541
+Subproject commit 8311149945d8e8ea68cdb86f73d91db55e22c6b6