diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8d29405..5c7b207 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## [ffac8b8](../../commit/ffac8b8) - 2026-06-04
+
+### Changed
+
+- Bump `nxe-json` submodule to 0.5.0 (NUL-terminated stringify buffers, sorted compact serializer, object iteration API, deep copy, and scalar constructors; none consumed by this module yet)
+
 ## [d33485b](../../commit/d33485b) - 2026-04-24
 
 ### Changed
diff --git a/nxe-json b/nxe-json
index 6a4eab2..e071c83 160000
--- a/nxe-json
+++ b/nxe-json
@@ -1 +1 @@
-Subproject commit 6a4eab2b27a9bcbe1239bdfe15ba45f0d28d2043
+Subproject commit e071c83347f0a3b81ff48ff57d9af413184a4755