diff --git a/pyproject.toml b/pyproject.toml
index 5531579e..f0251a9c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ classifiers = [
 dependencies = [
     "cloudpickle==3.0.0",
     "mpi4py==3.1.6",
-    "pyzmq==26.0.2",
+    "pyzmq==26.0.3",
     "tqdm==4.66.4",
 ]
 dynamic = ["version"]