diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 59a29af..8e11052 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,7 +8,7 @@ jobs:
   build:
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11"]
         os: [ubuntu-latest, windows-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/pyproject.toml b/pyproject.toml
index 0285e38..07714f7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ name = "bpx"
 dynamic = ["version"]
 description = "An implementation of the Battery Parameter eXchange (BPX) format in Pydantic."
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 license = { file = "LICENSE.txt" }
 keywords = [
     "bpx",
@@ -28,6 +28,8 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: Implementation :: CPython",
 ]
+requires-python = ">=3.9"
+dynamic = ["version", "description"]
 dependencies = [
     "pydantic >= 2.6",
     "pyparsing",
@@ -88,7 +90,6 @@ cov = [
 [tool.hatch.envs.hatch-static-analysis]
 config-path = "none"
 
-# https://github.com/astral-sh/ruff
 [tool.ruff]
 line-length = 120