diff --git a/lib/inc/drogon/Cookie.h b/lib/inc/drogon/Cookie.h
index 5b4a79b588..d563157902 100644
--- a/lib/inc/drogon/Cookie.h
+++ b/lib/inc/drogon/Cookie.h
@@ -23,6 +23,10 @@
 #include <optional>
 #include <string_view>
 
+#ifdef _MSC_VER
+#pragma warning(disable : 4251)
+#endif
+
 namespace drogon
 {
 /**
diff --git a/lib/inc/drogon/plugins/Plugin.h b/lib/inc/drogon/plugins/Plugin.h
index eea8e8056d..fde70d00f6 100644
--- a/lib/inc/drogon/plugins/Plugin.h
+++ b/lib/inc/drogon/plugins/Plugin.h
@@ -19,6 +19,10 @@
 #include <trantor/utils/Logger.h>
 #include <trantor/utils/NonCopyable.h>
 
+#ifdef _MSC_VER
+#pragma warning(disable : 4275)
+#endif
+
 namespace drogon
 {
 enum class PluginStatus