diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index 3d5aaa8..01674dc 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.8"
+          python-version: "3.12"
       - name: Install poetry
         uses: abatilo/actions-poetry@v2
         with:
diff --git a/.github/workflows/test-on-pr.yml b/.github/workflows/test-on-pr.yml
index 6893ec1..c058685 100644
--- a/.github/workflows/test-on-pr.yml
+++ b/.github/workflows/test-on-pr.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.8"
+          python-version: "3.12"
       - name: Install poetry
         uses: abatilo/actions-poetry@v2
         with:
diff --git a/README.md b/README.md
index 489b059..b3d14a2 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,7 @@ def test_hello():
 
 ## Development
 
-- Create virtual environment with python >= 3.8
+- Create virtual environment with python >= 3.12
 - [Install poetry](https://python-poetry.org/docs/#installation)
 - `poetry install`
 - `make test`
diff --git a/poetry.lock b/poetry.lock
index eadc427..ef7fe59 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -13,11 +13,7 @@ files = [
 
 [package.dependencies]
 lazy-object-proxy = ">=1.4.0"
-typing-extensions = {version = ">=4.0.0", markers = "python_version < \"3.11\""}
-wrapt = [
-    {version = ">=1.11,<2", markers = "python_version < \"3.11\""},
-    {version = ">=1.14,<2", markers = "python_version >= \"3.11\""},
-]
+wrapt = {version = ">=1.14,<2", markers = "python_version >= \"3.11\""}
 
 [[package]]
 name = "black"
@@ -45,8 +41,6 @@ click = ">=8.0.0"
 mypy-extensions = ">=0.4.3"
 pathspec = ">=0.9.0"
 platformdirs = ">=2"
-tomli = {version = ">=1.1.0", markers = "python_full_version < \"3.11.0a7\""}
-typing-extensions = {version = ">=3.10.0.0", markers = "python_version < \"3.10\""}
 
 [package.extras]
 colorama = ["colorama (>=0.4.3)"]
@@ -121,20 +115,6 @@ files = [
     {file = "dotmap-1.3.30.tar.gz", hash = "sha256:5821a7933f075fb47563417c0e92e0b7c031158b4c9a6a7e56163479b658b368"},
 ]
 
-[[package]]
-name = "exceptiongroup"
-version = "1.1.3"
-description = "Backport of PEP 654 (exception groups)"
-optional = false
-python-versions = ">=3.7"
-files = [
-    {file = "exceptiongroup-1.1.3-py3-none-any.whl", hash = "sha256:343280667a4585d195ca1cf9cef84a4e178c4b6cf2274caef9859782b567d5e3"},
-    {file = "exceptiongroup-1.1.3.tar.gz", hash = "sha256:097acd85d473d75af5bb98e41b61ff7fe35efe6675e4f9370ec6ec5126d160e9"},
-]
-
-[package.extras]
-test = ["pytest (>=6)"]
-
 [[package]]
 name = "iniconfig"
 version = "2.0.0"
@@ -296,16 +276,11 @@ files = [
 [package.dependencies]
 astroid = ">=2.15.6,<=2.17.0-dev0"
 colorama = {version = ">=0.4.5", markers = "sys_platform == \"win32\""}
-dill = [
-    {version = ">=0.2", markers = "python_version < \"3.11\""},
-    {version = ">=0.3.6", markers = "python_version >= \"3.11\""},
-]
+dill = {version = ">=0.3.6", markers = "python_version >= \"3.11\""}
 isort = ">=4.2.5,<6"
 mccabe = ">=0.6,<0.8"
 platformdirs = ">=2.2.0"
-tomli = {version = ">=1.1.0", markers = "python_version < \"3.11\""}
 tomlkit = ">=0.10.1"
-typing-extensions = {version = ">=3.10.0", markers = "python_version < \"3.10\""}
 
 [package.extras]
 spelling = ["pyenchant (>=3.2,<4.0)"]
@@ -324,26 +299,13 @@ files = [
 
 [package.dependencies]
 colorama = {version = "*", markers = "sys_platform == \"win32\""}
-exceptiongroup = {version = ">=1.0.0rc8", markers = "python_version < \"3.11\""}
 iniconfig = "*"
 packaging = "*"
 pluggy = ">=0.12,<2.0"
-tomli = {version = ">=1.0.0", markers = "python_version < \"3.11\""}
 
 [package.extras]
 testing = ["argcomplete", "attrs (>=19.2.0)", "hypothesis (>=3.56)", "mock", "nose", "pygments (>=2.7.2)", "requests", "setuptools", "xmlschema"]
 
-[[package]]
-name = "tomli"
-version = "2.0.1"
-description = "A lil' TOML parser"
-optional = false
-python-versions = ">=3.7"
-files = [
-    {file = "tomli-2.0.1-py3-none-any.whl", hash = "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc"},
-    {file = "tomli-2.0.1.tar.gz", hash = "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"},
-]
-
 [[package]]
 name = "tomlkit"
 version = "0.12.1"
@@ -355,17 +317,6 @@ files = [
     {file = "tomlkit-0.12.1.tar.gz", hash = "sha256:38e1ff8edb991273ec9f6181244a6a391ac30e9f5098e7535640ea6be97a7c86"},
 ]
 
-[[package]]
-name = "typing-extensions"
-version = "4.7.1"
-description = "Backported and Experimental Type Hints for Python 3.7+"
-optional = false
-python-versions = ">=3.7"
-files = [
-    {file = "typing_extensions-4.7.1-py3-none-any.whl", hash = "sha256:440d5dd3af93b060174bf433bccd69b0babc3b15b1a8dca43789fd7f61514b36"},
-    {file = "typing_extensions-4.7.1.tar.gz", hash = "sha256:b75ddc264f0ba5615db7ba217daeb99701ad295353c45f9e95963337ceeeffb2"},
-]
-
 [[package]]
 name = "wrapt"
 version = "1.15.0"
@@ -452,5 +403,5 @@ files = [
 
 [metadata]
 lock-version = "2.0"
-python-versions = "^3.8"
-content-hash = "832a49a3ee5d17e788e4ee2586617c0e4f675aa262696c139e036bfc17160e47"
+python-versions = "^3.12"
+content-hash = "396d4568942730757678aefe4d01db52a5a066cac7b8903e3eda5186b04c0490"
diff --git a/pyproject.toml b/pyproject.toml
index 6f0bc0e..2447a0d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ packages = [{ include = "deckhouse" }]
 
 
 [tool.poetry.dependencies]
-python = "^3.8"
+python = "^3.12"
 dictdiffer = "^0.9.0"
 dotmap = "^1.3.30"