diff --git a/extern/json b/extern/json
index d2dd27dc..f1768a54 160000
--- a/extern/json
+++ b/extern/json
@@ -1 +1 @@
-Subproject commit d2dd27dc3b8472dbaa7d66f83619b3ebcd9185fe
+Subproject commit f1768a540a7b7c5cc30cdcd6be9e9ef91083719b