diff --git a/Chaos/Cipher/Arc4.hpp b/Chaos/Cipher/Arc4.hpp
new file mode 100644
index 0000000..b4c3cfc
--- /dev/null
+++ b/Chaos/Cipher/Arc4.hpp
@@ -0,0 +1,9 @@
+#ifndef CHAOS_CIPHER_ARC4_HPP
+#define CHAOS_CIPHER_ARC4_HPP
+
+namespace Chaos::Cipher::Arc4
+{
+
+} // namespace Chaos::Cipher::Arc4
+
+#endif
diff --git a/ChaosTests/Cipher/Arc4Tests.cpp b/ChaosTests/Cipher/Arc4Tests.cpp
new file mode 100644
index 0000000..3a01f9e
--- /dev/null
+++ b/ChaosTests/Cipher/Arc4Tests.cpp
@@ -0,0 +1,5 @@
+#include <gtest/gtest.h>
+
+#include "Cipher/Arc4.hpp"
+
+using namespace Chaos::Cipher::Arc4;