diff --git a/src/dpp/dns.cpp b/src/dpp/dns.cpp
index dbb2b6f8..7b4db79d 100644
--- a/src/dpp/dns.cpp
+++ b/src/dpp/dns.cpp
@@ -24,6 +24,8 @@
 #include <exception>
 #include <shared_mutex>
 #include <dpp/exception.h>
+#include <mutex>
+#include <cstring>
 
 namespace dpp
 {