diff --git a/pyproject.toml b/pyproject.toml
index 9e0c771..54251e6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -93,21 +93,32 @@ dependencies = [
 ]
 dynamic = ["version"]
 
-[project.optional-dependencies]
+[project.urls]
+Repository = "https://github.com/Stoops-ML/czml3"
+Documentation = "https://czml3.readthedocs.io/en"
+
+[dependency-groups]
 dev = [
+    "build",
     "pytest",
     "pytest-cov",
     "pytest-mypy",
-    "types-python-dateutil",
+    "ruff",
     "tox",
+    "types-python-dateutil",
+]
+
+[project.optional-dependencies]
+dev = [
     "build",
+    "pytest",
+    "pytest-cov",
+    "pytest-mypy",
     "ruff",
+    "tox",
+    "types-python-dateutil",
 ]
 
-[project.urls]
-Repository = "https://github.com/Stoops-ML/czml3"
-Documentation = "https://czml3.readthedocs.io/en"
-
 [tool.setuptools.dynamic]
 version = {attr = "czml3.__version__"}
 
diff --git a/src/czml3/__init__.py b/src/czml3/__init__.py
index 64f1c93..6008dd1 100644
--- a/src/czml3/__init__.py
+++ b/src/czml3/__init__.py
@@ -1,5 +1,5 @@
 from .core import CZML_VERSION, Document, Packet
 
-__version__ = "2.3.6"
+__version__ = "3.0.0"
 
 __all__ = ["Document", "Packet", "CZML_VERSION"]