diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5f0065b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+Binaries
+Intermediate
diff --git a/Source/HoudiniLiveLink/Private/HoudiniLiveLinkSource.cpp b/Source/HoudiniLiveLink/Private/HoudiniLiveLinkSource.cpp
index 884b586..ccba0e5 100644
--- a/Source/HoudiniLiveLink/Private/HoudiniLiveLinkSource.cpp
+++ b/Source/HoudiniLiveLink/Private/HoudiniLiveLinkSource.cpp
@@ -36,6 +36,13 @@
 #include "Async/Async.h"
 #include "HAL/RunnableThread.h"
 
+#include "Misc/EngineVersionComparison.h"
+#if UE_VERSION_NEWER_THAN(5, 5, 0)
+	#include "Dom/JsonObject.h"
+	#include "Serialization/JsonReader.h"
+	#include "Serialization/JsonSerializer.h"
+#endif
+
 #define LOCTEXT_NAMESPACE "HoudiniLiveLinkSource"
 
 #define RECV_BUFFER_SIZE 1024 * 1024