diff --git a/external/libzmq b/external/libzmq
index 90b4f410..a23330db 160000
--- a/external/libzmq
+++ b/external/libzmq
@@ -1 +1 @@
-Subproject commit 90b4f410a07222fa2e9a5f53b454a09d4533e45a
+Subproject commit a23330dbe249f7ebd81bb5be47c892e8fa9cc4f8