diff --git a/third-party/OpenXR-SDK b/third-party/OpenXR-SDK
index 95fe35f..49e81bb 160000
--- a/third-party/OpenXR-SDK
+++ b/third-party/OpenXR-SDK
@@ -1 +1 @@
-Subproject commit 95fe35ffb383710a6e0567e958ead9a3b66e930c
+Subproject commit 49e81bbd919af7c0cf513517a730d12253c28902
diff --git a/third-party/OpenXR-SDK-Source b/third-party/OpenXR-SDK-Source
index 5e9bc99..e93034a 160000
--- a/third-party/OpenXR-SDK-Source
+++ b/third-party/OpenXR-SDK-Source
@@ -1 +1 @@
-Subproject commit 5e9bc99c5e2e9d8873a83db58aec6ee63dd1f289
+Subproject commit e93034ac7fd4b19c1c3b9b280824ec9cdba4562c
diff --git a/tracing-generator.py b/tracing-generator.py
index 2c1cc40..0316fb9 100644
--- a/tracing-generator.py
+++ b/tracing-generator.py
@@ -39,6 +39,7 @@
 from automatic_source_generator import (
     AutomaticSourceOutputGenerator,
     AutomaticSourceGeneratorOptions,
+    StructRelationGroup,
 )
 
 
@@ -106,7 +107,7 @@ def genStructUnion(self, type_info, type_category, type_name, alias):
             return
         group = self._next_structs.get(next_of)
         if not group:
-            group = self.StructRelationGroup(
+            group = StructRelationGroup(
                 generic_struct_name=next_of, child_struct_names=[]
             )
             self._next_structs[next_of] = group