diff --git a/.ci_support/environment-mpich.yml b/.ci_support/environment-mpich.yml
index cba47606..e4d97ded 100644
--- a/.ci_support/environment-mpich.yml
+++ b/.ci_support/environment-mpich.yml
@@ -4,7 +4,7 @@ dependencies:
 - python
 - numpy
 - mpich
-- cloudpickle =2.2.1
+- cloudpickle =3.0.0
 - mpi4py =3.1.4
 - tqdm =4.66.1
 - pyzmq =25.1.1
diff --git a/.ci_support/environment-openmpi.yml b/.ci_support/environment-openmpi.yml
index 3dcad16c..996a6d95 100644
--- a/.ci_support/environment-openmpi.yml
+++ b/.ci_support/environment-openmpi.yml
@@ -4,7 +4,7 @@ dependencies:
 - python
 - numpy
 - openmpi
-- cloudpickle =2.2.1
+- cloudpickle =3.0.0
 - mpi4py =3.1.4
 - tqdm =4.66.1
 - pyzmq =25.1.1
diff --git a/.ci_support/environment-win.yml b/.ci_support/environment-win.yml
index d4ac426c..9e84be7f 100644
--- a/.ci_support/environment-win.yml
+++ b/.ci_support/environment-win.yml
@@ -4,7 +4,7 @@ dependencies:
 - python
 - numpy
 - msmpi
-- cloudpickle =2.2.1
+- cloudpickle =3.0.0
 - mpi4py =3.1.4
 - tqdm =4.66.1
 - pyzmq =25.1.1
diff --git a/setup.py b/setup.py
index 9ee0f78d..fd740c24 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@
     ],
     packages=find_packages(exclude=["*tests*", "*.ci_support*"]),
     install_requires=[
-        'cloudpickle==2.2.1',
+        'cloudpickle==3.0.0',
         'mpi4py==3.1.4',
         'tqdm==4.66.1',
         'pyzmq==25.1.1',