diff --git a/pkgs/development/python-modules/pyzmq/default.nix b/pkgs/development/python-modules/pyzmq/default.nix
index 6c4b8076294f..a0495c9b0674 100644
--- a/pkgs/development/python-modules/pyzmq/default.nix
+++ b/pkgs/development/python-modules/pyzmq/default.nix
@@ -18,6 +18,7 @@
   python,
   pythonOlder,
   tornado,
+  libsodium,
   zeromq,
   pytest-asyncio,
 }:
@@ -44,7 +45,10 @@ buildPythonPackage rec {
 
   dontUseCmakeConfigure = true;
 
-  buildInputs = [ zeromq ];
+  buildInputs = [
+    libsodium
+    zeromq
+  ];
 
   dependencies = lib.optionals isPyPy [ cffi ];