diff --git a/depends/packages/zeromq.mk b/depends/packages/zeromq.mk
index 3f97221e10e..85118739ce9 100644
--- a/depends/packages/zeromq.mk
+++ b/depends/packages/zeromq.mk
@@ -1,8 +1,8 @@
 package=zeromq
-$(package)_version=4.2.2
+$(package)_version=4.2.3
 $(package)_download_path=https://github.com/zeromq/libzmq/releases/download/v$($(package)_version)/
 $(package)_file_name=$(package)-$($(package)_version).tar.gz
-$(package)_sha256_hash=5b23f4ca9ef545d5bd3af55d305765e3ee06b986263b31967435d285a3e6df6b
+$(package)_sha256_hash=8f1e2b2aade4dbfde98d82366d61baef2f62e812530160d2e6d0a5bb24e40bc0
 $(package)_patches=0001-fix-build-with-older-mingw64.patch
 
 define $(package)_set_vars
diff --git a/doc/dependencies.md b/doc/dependencies.md
index 5e698126d42..05518bf819c 100644
--- a/doc/dependencies.md
+++ b/doc/dependencies.md
@@ -27,5 +27,5 @@ These are the dependencies currently used by Bitcoin Core. You can find instruct
 | Qt | [5.7.1](https://download.qt.io/official_releases/qt/) | 4.7+ | No |  |  |
 | XCB |  |  |  |  | [Yes](https://github.com/bitcoin/bitcoin/blob/master/depends/packages/qt.mk#L94) (Linux only) |
 | xkbcommon |  |  |  |  | [Yes](https://github.com/bitcoin/bitcoin/blob/master/depends/packages/qt.mk#L93) (Linux only) |
-| ZeroMQ | [4.2.2](https://github.com/zeromq/libzmq/releases) |  | No |  |  |
+| ZeroMQ | [4.2.3](https://github.com/zeromq/libzmq/releases) |  | No |  |  |
 | zlib | [1.2.11](http://zlib.net/) |  |  |  | No |