diff --git a/server/wsproxy/mmcache.h b/server/wsproxy/mmcache.h
index 0c2f683..7b36026 100644
--- a/server/wsproxy/mmcache.h
+++ b/server/wsproxy/mmcache.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include <a8/singleton.h>
-#include <a8/orderbuffer.h>
+#include <a8/fifobuffer.h>
 
 class MMCache : public a8::Singleton<MMCache>
 {
@@ -22,7 +22,7 @@ public:
 
 private:
 
-    std::shared_ptr<a8::OrderBuffer> socket_msg_buffer_;
-    std::shared_ptr<a8::OrderBuffer> udp_msg_buffer_;
+    std::shared_ptr<a8::FifoBuffer> socket_msg_buffer_;
+    std::shared_ptr<a8::FifoBuffer> udp_msg_buffer_;
 
 };
diff --git a/third_party/a8 b/third_party/a8
index 543969a..eea1664 160000
--- a/third_party/a8
+++ b/third_party/a8
@@ -1 +1 @@
-Subproject commit 543969a5e8592016922ae5429a28941d00a0bd10
+Subproject commit eea166429dc61142a2c810c6e54a497e333b4045