diff --git a/trinity/CMakeLists.txt b/trinity/CMakeLists.txt
index 606b971e0..9d8822d1e 100644
--- a/trinity/CMakeLists.txt
+++ b/trinity/CMakeLists.txt
@@ -1898,6 +1898,7 @@ function(set_shared_trinity_properties target package_name)
         target_compile_definitions(${target}
         PRIVATE
             BLUE_USE_LOCAL_ITr2DebugRenderer2=1
+            PYTHON2_SUPPORT=1
     )
     endif()
 
diff --git a/trinity/Tr2RenderContext.cpp b/trinity/Tr2RenderContext.cpp
index 7eb2abbf3..49eef356d 100644
--- a/trinity/Tr2RenderContext.cpp
+++ b/trinity/Tr2RenderContext.cpp
@@ -151,7 +151,12 @@ Tr2RenderTargetPtr Tr2RenderContextBase::GetBackBuffer()
 Tr2RenderContext::Tr2RenderContext() :
 	Tr2RenderContextBase( *this ),
 	m_parallelContextMutex( "Tr2RenderContext", "m_parallelContextMutex" ),
+
+#ifdef PYTHON2_SUPPORT
 	m_parallelContextSemaphore( 0, 1024 )
+#else
+	m_parallelContextSemaphore( "Tr2RenderContext_m_parallelContextSemaphore", 0, 1024 )
+#endif
 {
 #if !TRINITY_PLATFORM_HAS_PRIMARY_CONTEXT
 	m_events = this;
diff --git a/vcpkg.json b/vcpkg.json
index 94287c300..46ac26106 100644
--- a/vcpkg.json
+++ b/vcpkg.json
@@ -7,7 +7,7 @@
     },
     {
       "name": "carbon-core",
-      "version>=": "2.4.0"
+      "version>=": "3.0.0"
     },
     {
       "name": "carbon-imageio",
@@ -51,7 +51,7 @@
     },
     {
       "name": "carbon-blue",
-      "version>=": "5.1.2"
+      "version>=": "6.0.0"
     },
     {
       "name": "carbon-math",