diff --git a/sources b/sources
index 3ae9ba4..90451a8 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libzmq-4.3.2.tar.gz) = 3c0a2dfc60c2265311f6ba16c47fab37e71312949b4cf2aa8855530431763bb6b8844c7d72c4b112c21125f0590c663d2a3192249b14611df64a2c6d3e5ac1c7
+SHA512 (libzmq-4.3.3.tar.gz) = 99c9813e8b852997abaacf74f477feee7f1a4d87998c24fd6abcbb200eda3becdc2d051db7ace2ee82bc948d8801e2895ea9be7fe9784d982225e6b883044c81