diff --git a/third_party/json b/third_party/json
index 30b2817..515d994 160000
--- a/third_party/json
+++ b/third_party/json
@@ -1 +1 @@
-Subproject commit 30b28175e46827153d8a51d75540ef888aa83d8b
+Subproject commit 515d994acbac04e0efa41db21e0d16591f6f97c9