diff --git a/external/libzmq b/external/libzmq
index 0ed7a08..1f4dd54 160000
--- a/external/libzmq
+++ b/external/libzmq
@@ -1 +1 @@
-Subproject commit 0ed7a08cd946e0832ac4655b7a76c09ac221f63b
+Subproject commit 1f4dd54f94009cb57bb68bfc856edc1c0bd3df06