diff --git a/native~/Shared/src/CesiumImpl.h b/native~/Shared/src/CesiumImpl.h
index 59717ceb..faf9aa14 100644
--- a/native~/Shared/src/CesiumImpl.h
+++ b/native~/Shared/src/CesiumImpl.h
@@ -5,7 +5,8 @@
 namespace CesiumForUnityNative {
 
 template <typename TDerived>
-class CesiumImpl : public CesiumUtility::ReferenceCountedThreadSafe<TDerived> {
+class CesiumImpl
+    : public CesiumUtility::ReferenceCountedThreadSafe<CesiumImpl<TDerived>> {
 public:
   CesiumImpl() = default;
 
diff --git a/native~/extern/cesium-native b/native~/extern/cesium-native
index 4d9a6382..1c99abb2 160000
--- a/native~/extern/cesium-native
+++ b/native~/extern/cesium-native
@@ -1 +1 @@
-Subproject commit 4d9a63829f67370908a7fb4627fc3c3791b50c02
+Subproject commit 1c99abb249d1ae3c1d42f5e4fa4e963f1a1a5177