diff --git a/pyproject.toml b/pyproject.toml
index 9ad30d20a1..45788d3cc8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ classifiers = [
 dependencies = [
   "attrs>=23.1.0,<24",
   "boto3>=1.35.75,<2.0",
-  "cloudpickle>=2.2.1",
+  "cloudpickle>=2.2.1,<=3.0.0",
   "docker",
   "fastapi",
   "google-pasta",
diff --git a/requirements/extras/test_requirements.txt b/requirements/extras/test_requirements.txt
index 9664a63e1d..3ae90e0151 100644
--- a/requirements/extras/test_requirements.txt
+++ b/requirements/extras/test_requirements.txt
@@ -24,7 +24,7 @@ Jinja2==3.1.4
 pyvis==0.2.1
 pandas==1.4.4
 scikit-learn==1.3.0
-cloudpickle>=2.2.1
+cloudpickle>=2.2.1,<=3.0.0
 jsonpickle<4.0.0
 PyYAML==6.0
 # TODO find workaround
diff --git a/tests/data/serve_resources/mlflow/pytorch/requirements.txt b/tests/data/serve_resources/mlflow/pytorch/requirements.txt
index 12bae64c99..418e28fd4a 100644
--- a/tests/data/serve_resources/mlflow/pytorch/requirements.txt
+++ b/tests/data/serve_resources/mlflow/pytorch/requirements.txt
@@ -1,7 +1,7 @@
 mlflow==2.13.2
 astunparse==1.6.3
 cffi==1.16.0
-cloudpickle>=2.2.1
+cloudpickle>=2.2.1,<=3.0.0
 defusedxml==0.7.1
 dill==0.3.8
 gmpy2==2.1.2
diff --git a/tests/data/serve_resources/mlflow/tensorflow/requirements.txt b/tests/data/serve_resources/mlflow/tensorflow/requirements.txt
index cd1cbee65b..bf2269bd0e 100644
--- a/tests/data/serve_resources/mlflow/tensorflow/requirements.txt
+++ b/tests/data/serve_resources/mlflow/tensorflow/requirements.txt
@@ -1,4 +1,4 @@
 mlflow==2.13.2
-cloudpickle>=2.2.1
+cloudpickle>=2.2.1,<=3.0.0
 numpy==1.26.4
 tensorflow==2.16.1