diff --git a/src/common/communication/vst2.h b/src/common/communication/vst2.h
index c442c973..2f45dd13 100644
--- a/src/common/communication/vst2.h
+++ b/src/common/communication/vst2.h
@@ -325,7 +325,7 @@ class Vst2EventHandler : public AdHocSocketHandler<Thread> {
  *   should be `std::jthread` and on the Wine side this should be `Win32Thread`.
  */
 template <typename Thread>
-class Vst2Sockets : public Sockets {
+class Vst2Sockets final : public Sockets {
    public:
     /**
      * Sets up the sockets using the specified base directory. The sockets won't
diff --git a/src/common/communication/vst3.h b/src/common/communication/vst3.h
index da139e75..a40f1165 100644
--- a/src/common/communication/vst3.h
+++ b/src/common/communication/vst3.h
@@ -294,7 +294,7 @@ class Vst3MessageHandler : public AdHocSocketHandler<Thread> {
  *   should be `std::jthread` and on the Wine side this should be `Win32Thread`.
  */
 template <typename Thread>
-class Vst3Sockets : public Sockets {
+class Vst3Sockets final : public Sockets {
    public:
     /**
      * Sets up the sockets using the specified base directory. The sockets won't