diff --git a/.github/workflows/kubernator.yml b/.github/workflows/kubernator.yml
index 86daa77..db1ae20 100644
--- a/.github/workflows/kubernator.yml
+++ b/.github/workflows/kubernator.yml
@@ -29,7 +29,7 @@ jobs:
         #  - os: macos-12
         #    python-version: '3.11'
     env:
-      DEPLOY_PYTHONS: "3.11"
+      DEPLOY_PYTHONS: "3.12"
       DEPLOY_OSES: "Linux"
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       TWINE_USERNAME: __token__
@@ -68,11 +68,11 @@ jobs:
           set -x
           brew update
           brew install docker colima
-          
+
           colima version
           colima start --cpu 3 --memory 8 --disk 7
           sudo ln -sf $HOME/.colima/default/docker.sock /var/run/docker.sock
-          
+
           while ! docker info > /dev/null 2>&1; do sleep 1 ; done
           docker info
 
diff --git a/.idea/kubernator.iml b/.idea/kubernator.iml
index 84c3a44..96dadcc 100644
--- a/.idea/kubernator.iml
+++ b/.idea/kubernator.iml
@@ -8,7 +8,7 @@
       <excludeFolder url="file://$MODULE_DIR$/.pybuilder" />
       <excludeFolder url="file://$MODULE_DIR$/target" />
     </content>
-    <orderEntry type="jdk" jdkName="Python 3.9 (kubernator)" jdkType="Python SDK" />
+    <orderEntry type="jdk" jdkName="Python 3.11 (kubernator-3.11.4)" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
   <component name="PyDocumentationSettings">
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 3545b20..b4e49d5 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -3,7 +3,7 @@
   <component name="Black">
     <option name="sdkName" value="Python 3.9 (kubernator)" />
   </component>
-  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.9 (kubernator)" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.11 (kubernator-3.11.4)" project-jdk-type="Python SDK" />
   <component name="PyPackaging">
     <option name="earlyReleasesAsUpgrades" value="true" />
   </component>
diff --git a/Dockerfile b/Dockerfile
index b6e5907..ef57f49 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.11-slim-bookworm
+FROM python:3.12-slim-bookworm
 
 COPY target/dist/kubernator*/dist/*.whl /tmp
 
diff --git a/build.py b/build.py
index b83784e..702cf55 100644
--- a/build.py
+++ b/build.py
@@ -50,7 +50,8 @@
 @init
 def set_properties(project):
     project.depends_on("gevent", ">=21.1.2")
-    project.depends_on("kubernetes", "~=29.0")
+    project.depends_on("kubernetes", "~=30.0")
+    project.depends_on("durationpy", ">=0.7")
     project.depends_on("openapi-schema-validator", "~=0.1")
     project.depends_on("openapi-spec-validator", "~=0.3")
     project.depends_on("json-log-formatter", "~=0.3")
diff --git a/src/integrationtest/python/full_smoke_tests.py b/src/integrationtest/python/full_smoke_tests.py
index 1a1467c..1bad576 100644
--- a/src/integrationtest/python/full_smoke_tests.py
+++ b/src/integrationtest/python/full_smoke_tests.py
@@ -29,7 +29,7 @@ def test_full_smoke(self):
         test_dir = Path(__file__).parent / "full_smoke"
 
         for k8s_version, istio_version in ((self.K8S_TEST_VERSIONS[0], "1.10.6"),
-                                           (self.K8S_TEST_VERSIONS[-1], "1.22.0")):
+                                           (self.K8S_TEST_VERSIONS[-1], "1.23.1")):
             with self.subTest(k8s_version=k8s_version, istio_version=istio_version):
                 os.environ["K8S_VERSION"] = k8s_version
                 os.environ["ISTIO_VERSION"] = istio_version
diff --git a/src/integrationtest/python/issue_23_tests.py b/src/integrationtest/python/issue_23_tests.py
index 04ff417..acc55be 100644
--- a/src/integrationtest/python/issue_23_tests.py
+++ b/src/integrationtest/python/issue_23_tests.py
@@ -29,7 +29,7 @@ def test_issue_23(self):
         test_dir = Path(__file__).parent / "issue_23"
 
         for k8s_version, istio_version in ((self.K8S_TEST_VERSIONS[0], "1.10.6"),
-                                           (self.K8S_TEST_VERSIONS[-1], "1.22.0")):
+                                           (self.K8S_TEST_VERSIONS[-1], "1.23.1")):
             with self.subTest(k8s_version=k8s_version, istio_version=istio_version):
                 os.environ["K8S_VERSION"] = k8s_version
                 os.environ["ISTIO_VERSION"] = istio_version
diff --git a/src/integrationtest/python/test_support.py b/src/integrationtest/python/test_support.py
index 78e5a31..c442292 100644
--- a/src/integrationtest/python/test_support.py
+++ b/src/integrationtest/python/test_support.py
@@ -34,8 +34,8 @@
 class IntegrationTestSupport(unittest.TestCase):
     K8S_TEST_VERSIONS = ["1.20.15", "1.21.14", "1.22.17",
                          "1.23.17", "1.24.17", "1.25.16",
-                         "1.26.15", "1.27.14", "1.28.10",
-                         "1.29.5", "1.30.1"]
+                         "1.26.15", "1.27.16", "1.28.13",
+                         "1.29.8", "1.30.4", "1.31.1"]
 
     def load_json_logs(self, log_file):
         decoder = json.JSONDecoder()
diff --git a/src/main/python/kubernator/api.py b/src/main/python/kubernator/api.py
index ae6e15f..bff7f82 100644
--- a/src/main/python/kubernator/api.py
+++ b/src/main/python/kubernator/api.py
@@ -38,7 +38,6 @@
 
 import requests
 import yaml
-from platformdirs import user_cache_dir
 from diff_match_patch import diff_match_patch
 from jinja2 import (Environment,
                     ChainableUndefined,
@@ -46,6 +45,7 @@
                     Template as JinjaTemplate,
                     pass_context)
 from jsonschema import validators
+from platformdirs import user_cache_dir
 
 from kubernator._json_path import jp  # noqa: F401
 from kubernator._k8s_client_patches import (URLLIB_HEADERS_PATCH,
@@ -765,9 +765,10 @@ def install_python_k8s_client(run, package_major, logger, logger_stdout, logger_
 
     if not package_major_dir.exists():
         package_major_dir.mkdir(parents=True, exist_ok=True)
-        run([sys.executable, "-m", "pip", "install", "--no-deps", "--no-input", "--pre",
+        run([sys.executable, "-m", "pip", "install", "--no-deps", "--no-input",
              "--root-user-action=ignore", "--break-system-packages", "--disable-pip-version-check",
-             "--target", package_major_dir_str, f"kubernetes~={package_major}.0"], logger_stdout, logger_stderr).wait()
+             "--target", package_major_dir_str, f"kubernetes>={package_major!s}dev0,<{int(package_major) + 1!s}"],
+            logger_stdout, logger_stderr).wait()
 
     if not patch_indicator.exists() and not disable_patching:
         for patch_text, target_file, skip_if_found, min_version, max_version, name in (