diff --git a/.ci_support/environment-docs.yml b/.ci_support/environment-docs.yml
index 6708d6fc..a65502a7 100644
--- a/.ci_support/environment-docs.yml
+++ b/.ci_support/environment-docs.yml
@@ -11,7 +11,7 @@ dependencies:
 - openmpi
 - cloudpickle =3.1.1
 - mpi4py =4.0.1
-- pyzmq =27.0.0
+- pyzmq =27.0.1
 - flux-core
 - jupyter-book =1.0.0
 - h5py =3.14.0
diff --git a/.ci_support/environment-integration.yml b/.ci_support/environment-integration.yml
index 975dfa77..335e8391 100644
--- a/.ci_support/environment-integration.yml
+++ b/.ci_support/environment-integration.yml
@@ -7,7 +7,7 @@ dependencies:
 - openmpi
 - cloudpickle =3.1.1
 - mpi4py
-- pyzmq =27.0.0
+- pyzmq =27.0.1
 - flux-core =0.59.0
 - hatchling =1.27.0
 - hatch-vcs =0.5.0
diff --git a/.ci_support/environment-mini.yml b/.ci_support/environment-mini.yml
index 4c381695..2f5ea72a 100644
--- a/.ci_support/environment-mini.yml
+++ b/.ci_support/environment-mini.yml
@@ -4,6 +4,6 @@ dependencies:
 - python
 - numpy
 - cloudpickle =3.1.0
-- pyzmq =27.0.0
+- pyzmq =27.0.1
 - hatchling =1.27.0
 - hatch-vcs =0.5.0
diff --git a/.ci_support/environment-mpich.yml b/.ci_support/environment-mpich.yml
index 295a32f8..87a172d6 100644
--- a/.ci_support/environment-mpich.yml
+++ b/.ci_support/environment-mpich.yml
@@ -6,7 +6,7 @@ dependencies:
 - mpich
 - cloudpickle =3.1.1
 - mpi4py =4.0.1
-- pyzmq =27.0.0
+- pyzmq =27.0.1
 - h5py =3.14.0
 - networkx =3.4.2
 - pygraphviz =1.14
diff --git a/.ci_support/environment-openmpi.yml b/.ci_support/environment-openmpi.yml
index cf747f6c..155d75f8 100644
--- a/.ci_support/environment-openmpi.yml
+++ b/.ci_support/environment-openmpi.yml
@@ -6,7 +6,7 @@ dependencies:
 - openmpi
 - cloudpickle =3.1.1
 - mpi4py =4.0.1
-- pyzmq =27.0.0
+- pyzmq =27.0.1
 - h5py =3.14.0
 - networkx =3.4.2
 - pygraphviz =1.14
diff --git a/.ci_support/environment-win.yml b/.ci_support/environment-win.yml
index 5deb1ca8..ac3e9cf6 100644
--- a/.ci_support/environment-win.yml
+++ b/.ci_support/environment-win.yml
@@ -6,7 +6,7 @@ dependencies:
 - msmpi
 - cloudpickle =3.1.1
 - mpi4py =4.0.1
-- pyzmq =27.0.0
+- pyzmq =27.0.1
 - h5py =3.14.0
 - networkx =3.4.2
 - pygraphviz =1.14
diff --git a/binder/environment.yml b/binder/environment.yml
index 98bd34fd..a1d496a5 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -6,7 +6,7 @@ dependencies:
 - openmpi
 - cloudpickle =3.1.1
 - mpi4py =4.0.1
-- pyzmq =27.0.0
+- pyzmq =27.0.1
 - flux-core =0.59.0
 - flux-pmix =0.5.0
 - hatchling =1.27.0
diff --git a/pyproject.toml b/pyproject.toml
index af86046f..fe31698d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ requires = [
     "hatchling==1.27.0",
     "hatch-vcs==0.5.0",
     "cloudpickle==3.1.1",
-    "pyzmq==27.0.0",
+    "pyzmq==27.0.1",
 ]
 build-backend = "hatchling.build"
 
@@ -30,7 +30,7 @@ classifiers = [
 ]
 dependencies = [
     "cloudpickle==3.1.1",
-    "pyzmq==27.0.0",
+    "pyzmq==27.0.1",
 ]
 dynamic = ["version"]