diff --git a/pyproject.toml b/pyproject.toml
index 5997432..eb47592 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,11 +28,8 @@ classifiers = [
   "Topic :: Scientific/Engineering :: Artificial Intelligence",
 ]
 dependencies = [
-  "datasets",
   "docstring-parser",
   "einops",
-  "numpy<2.0.0",
-  "seaborn",
   "tabulate",
   "torch>=2.2",
 ]
@@ -46,6 +43,12 @@ dynamic = ["version"]
 [project.optional-dependencies]
 dev = ["check-manifest"]
 test = ["pytest"]
+analysis = [
+  "datasets",
+  "matplotlib",
+  "pandas",
+  "seaborn",
+]
 
 [tool.setuptools]
 packages = ["unit_scaling", "unit_scaling.core", "unit_scaling.transforms"]
@@ -55,3 +58,7 @@ version = {attr = "unit_scaling._version.__version__"}
 
 [tool.setuptools_scm]
 version_file = "unit_scaling/_version.py"
+
+[tool.isort]
+profile = "black"
+extend_skip = ["unit_scaling/_version.py"]
diff --git a/requirements-dev.txt b/requirements-dev.txt
index e8946f6..3318a98 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,7 +6,7 @@
 datasets==3.1.0
 docstring-parser==0.16
 einops==0.8.0
-numpy==1.26.4
+numpy==2.2.6
 seaborn==0.13.2
 tabulate==0.9.0
 torch==2.5.1+cpu
diff --git a/unit_scaling/__init__.py b/unit_scaling/__init__.py
index 42357ae..cab0a46 100644
--- a/unit_scaling/__init__.py
+++ b/unit_scaling/__init__.py
@@ -26,7 +26,6 @@
     TransformerLayer,
 )
 from ._version import __version__
-from .analysis import visualiser
 from .core.functional import transformer_residual_scaling_rule
 from .parameter import MupType, Parameter
 
@@ -58,6 +57,5 @@
     # Functions
     "Parameter",
     "transformer_residual_scaling_rule",
-    "visualiser",
     "__version__",
 ]
diff --git a/unit_scaling/analysis.py b/unit_scaling/analysis.py
index 1b47001..6ddb092 100644
--- a/unit_scaling/analysis.py
+++ b/unit_scaling/analysis.py
@@ -8,15 +8,21 @@
 from math import isnan
 from typing import TYPE_CHECKING, Any, List, Optional, Tuple
 
-import matplotlib
-import matplotlib.colors
-import matplotlib.pyplot as plt
-import pandas as pd
-import seaborn as sns  # type: ignore[import-untyped]
-from datasets import load_dataset  # type: ignore[import-untyped]
-from torch import Tensor, nn
-from torch.fx.graph import Graph
-from torch.fx.node import Node
+try:
+    import matplotlib
+    import matplotlib.colors
+    import matplotlib.pyplot as plt
+    import pandas as pd
+    import seaborn as sns  # type: ignore[import-untyped]
+    from datasets import load_dataset  # type: ignore[import-untyped]
+    from torch import Tensor, nn
+    from torch.fx.graph import Graph
+    from torch.fx.node import Node
+except ImportError as e:
+    raise ImportError(
+        "Optional dependencies for `unit_scaling.analysis` are missing."
+        " Please install `unit-scaling[analysis]`"
+    ) from e
 
 from ._internal_utils import generate__all__
 from .transforms import (