diff --git a/.github/workflows/_smoke-test.yml b/.github/workflows/_smoke-test.yml
index 1a5d078c..f7beaf61 100644
--- a/.github/workflows/_smoke-test.yml
+++ b/.github/workflows/_smoke-test.yml
@@ -21,7 +21,7 @@ jobs:
       max-parallel: 2
       matrix:
         python-version:
-          - "3.8"
+          - "3.10"
           - "3.14"
     runs-on: "ubuntu-22.04"
     steps:
diff --git a/.github/workflows/_test-integrations.yml b/.github/workflows/_test-integrations.yml
index e5c25981..11ba9b1a 100644
--- a/.github/workflows/_test-integrations.yml
+++ b/.github/workflows/_test-integrations.yml
@@ -17,7 +17,7 @@ jobs:
           - "ubuntu-22.04"
           - "windows-2022"
         python-version:
-          - "3.8"
+          - "3.10"
           - "3.14"
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/.github/workflows/_test-regressions.yml b/.github/workflows/_test-regressions.yml
index 91d7f904..f685ea9e 100644
--- a/.github/workflows/_test-regressions.yml
+++ b/.github/workflows/_test-regressions.yml
@@ -17,7 +17,7 @@ jobs:
           - "ubuntu-22.04"
           - "windows-2022"
         python-version:
-          - "3.8"
+          - "3.10"
           - "3.14"
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/.github/workflows/_test-units.yml b/.github/workflows/_test-units.yml
index 7e13748f..ac23cdc9 100644
--- a/.github/workflows/_test-units.yml
+++ b/.github/workflows/_test-units.yml
@@ -16,8 +16,6 @@ jobs:
           - "ubuntu-22.04"
           - "windows-2022"
         python-version:
-          - "3.8"
-          - "3.9"
           - "3.10"
           - "3.11"
           - "3.12"
@@ -38,7 +36,7 @@ jobs:
       uses: actions/cache@v5
       with:
         path: ~/.cache/pip
-        key: ${{ runner.os }}-test-${{ hashFiles('setup.cfg') }}
+        key: ${{ runner.os }}-test-${{ hashFiles('pyproject.toml') }}
         restore-keys: |
           ${{ runner.os }}-test-
 
diff --git a/mindee/versions.py b/mindee/versions.py
index 6a528858..ab996f10 100644
--- a/mindee/versions.py
+++ b/mindee/versions.py
@@ -1,6 +1,6 @@
 import sys
 
-__version__ = "4.36.1"
+__version__ = "5.0.0a1"
 
 PYTHON_VERSION = f"{sys.version_info[0]}.{sys.version_info[1]}"
 
diff --git a/pyproject.toml b/pyproject.toml
index 3c1520c4..5f4ff6b2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools >= 68.0.0", "wheel >= 0.40.0"]
+requires = ["setuptools >= 77.0.3", "wheel >= 0.40.0"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -10,10 +10,10 @@ authors = [
 dynamic = ["version"]
 description = "Mindee API helper library for Python"
 readme = "README.md"
-license = {file = "LICENSE"}
+license = "MIT"
+license-files = ["LICENSE"]
 classifiers = [
   "Programming Language :: Python :: 3",
-  "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
@@ -23,10 +23,9 @@ classifiers = [
   "Development Status :: 5 - Production/Stable",
   "Intended Audience :: Developers",
   "Topic :: Software Development :: Libraries",
-  "License :: OSI Approved :: MIT License",
 ]
 
-requires-python = ">=3.8"
+requires-python = ">=3.10"
 
 dependencies = [
   "pypdfium2>=4.0,<4.30.1",
@@ -82,7 +81,7 @@ version = {attr = "mindee.versions.__version__"}
 [tool.ruff]
 line-length = 88
 indent-width = 4
-target-version = "py38"
+target-version = "py310"
 
 [tool.ruff.format]
 quote-style = "double"