diff --git a/include/ssl_key_handler.hpp b/include/ssl_key_handler.hpp
index 9332aa5..7710ae2 100644
--- a/include/ssl_key_handler.hpp
+++ b/include/ssl_key_handler.hpp
@@ -11,6 +11,7 @@
 #include <openssl/ssl.h>
 
 #include <boost/asio/ssl/context.hpp>
+#include <random.hpp>
 
 #include <random>