diff --git a/.github/workflows/continuous-integration-workflow.yml b/.github/workflows/continuous-integration-workflow.yml
index 5bcfbd4e7a..10de3498a9 100644
--- a/.github/workflows/continuous-integration-workflow.yml
+++ b/.github/workflows/continuous-integration-workflow.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04, windows-2019]
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.8", "3.9", "3.10", "3.11-dev"]
       fail-fast: false
     steps:
       - name: Checkout repository to $GITHUB_WORKSPACE
@@ -58,4 +58,4 @@ jobs:
 
       - name: Run ShellCheck
         if: runner.os == 'Linux' && matrix.python-version == '3.8'
-        uses: ludeeus/action-shellcheck@0.5.0
\ No newline at end of file
+        uses: ludeeus/action-shellcheck@0.5.0
diff --git a/lisa/environment.py b/lisa/environment.py
index 76448426bb..d0656e29fd 100644
--- a/lisa/environment.py
+++ b/lisa/environment.py
@@ -82,7 +82,7 @@ def _get_environment_id() -> int:
 class EnvironmentMessage(MessageBase):
     type: str = "Environment"
     name: str = ""
-    runbook: schema.Environment = schema.Environment()
+    runbook: schema.Environment = field(default_factory=schema.Environment)
     status: EnvironmentStatus = EnvironmentStatus.New
 
 
diff --git a/lisa/features/nvme.py b/lisa/features/nvme.py
index e8e3c304ca..b908d5656f 100644
--- a/lisa/features/nvme.py
+++ b/lisa/features/nvme.py
@@ -3,6 +3,7 @@
 
 import re
 from dataclasses import dataclass, field
+from functools import partial
 from typing import Any, List, Type
 
 from dataclasses_json import dataclass_json
@@ -93,7 +94,7 @@ def _get_device_from_ls(self, force_run: bool = False) -> None:
 class NvmeSettings(FeatureSettings):
     type: str = "Nvme"
     disk_count: search_space.CountSpace = field(
-        default=search_space.IntRange(min=0),
+        default_factory=partial(search_space.IntRange, min=0),
         metadata=field_metadata(decoder=search_space.decode_count_space),
     )
 
diff --git a/lisa/schema.py b/lisa/schema.py
index fffc80fec1..aeaaaa8b17 100644
--- a/lisa/schema.py
+++ b/lisa/schema.py
@@ -714,21 +714,21 @@ class NodeSpace(search_space.RequirementMixin, TypedSchema, ExtendableSchemaMixi
     name: str = ""
     is_default: bool = field(default=False)
     node_count: search_space.CountSpace = field(
-        default=search_space.IntRange(min=1),
+        default_factory=partial(search_space.IntRange, min=1),
         metadata=field_metadata(decoder=search_space.decode_count_space),
     )
     core_count: search_space.CountSpace = field(
-        default=search_space.IntRange(min=1),
+        default_factory=partial(search_space.IntRange, min=1),
         metadata=field_metadata(decoder=search_space.decode_count_space),
     )
     memory_mb: search_space.CountSpace = field(
-        default=search_space.IntRange(min=512),
+        default_factory=partial(search_space.IntRange, min=512),
         metadata=field_metadata(decoder=search_space.decode_count_space),
     )
     disk: Optional[DiskOptionSettings] = None
     network_interface: Optional[NetworkInterfaceOptionSettings] = None
     gpu_count: search_space.CountSpace = field(
-        default=search_space.IntRange(min=0),
+        default_factory=partial(search_space.IntRange, min=0),
         metadata=field_metadata(decoder=search_space.decode_count_space),
     )
     # all features on requirement should be included.
diff --git a/selftests/test_search_space.py b/selftests/test_search_space.py
index 070e448c76..0c58ccb6c9 100644
--- a/selftests/test_search_space.py
+++ b/selftests/test_search_space.py
@@ -3,7 +3,8 @@
 
 import logging
 import unittest
-from dataclasses import dataclass
+from dataclasses import dataclass, field
+from functools import partial
 from typing import Any, List, Optional, TypeVar
 
 from lisa.search_space import (
@@ -30,7 +31,7 @@ class MockSchema:
 
 @dataclass
 class MockItem(RequirementMixin):
-    number: CountSpace = IntRange(min=1, max=5)
+    number: CountSpace = field(default_factory=partial(IntRange, min=1, max=5))
 
     def check(self, capability: Any) -> ResultReason:
         assert isinstance(capability, MockItem), f"actual: {type(capability)}"