diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8d0a05e8..f4db9f85 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Release notes
 
+## Version 2026.1.1, - 2026-08-06
+
+### Fixed
+- Updated ObjCryst++ to provide the correctly spelled `ORTHORHOMBIC`
+  crystal-system enum while retaining `ORTHOROMBIC` as a backward-compatible
+  alias.
+
 ## Version 2026.1,  - 2026-02-05
 
 ### Changed
diff --git a/src/objcryst b/src/objcryst
index 057a5853..e7180e83 160000
--- a/src/objcryst
+++ b/src/objcryst
@@ -1 +1 @@
-Subproject commit 057a5853de325aa2bb5b87e4358b9b5a3d6b5ae3
+Subproject commit e7180e83fddd7c6db9a8a37823a74a290ba8df05