diff --git a/binder/environment.yml b/binder/environment.yml
index 084bd72..4712e84 100644
--- a/binder/environment.yml
+++ b/binder/environment.yml
@@ -2,7 +2,7 @@ name: itkwidgets
 channels:
   - conda-forge
 dependencies:
-  - python=3.8
+  - python=3.10
   - numpy
   - itk
   - vtk
@@ -17,3 +17,5 @@ dependencies:
     - ipywebrtc
     - bqplot
     - plotly>=3.3.0
+    - simpleitkutilities
+    - pydicom
diff --git a/examples/Isosurface.ipynb b/examples/Isosurface.ipynb
index 9c19c4d..93a1f34 100644
--- a/examples/Isosurface.ipynb
+++ b/examples/Isosurface.ipynb
@@ -31,8 +31,10 @@
     "    \n",
     "# Install required packages\n",
     "!{sys.executable} -m pip install SimpleITK\n",
+    "!{sys.executable} -m pip install simpleitkutilities\n",
     "!{sys.executable} -m pip install vtk\n",
     "!{sys.executable} -m pip install itkwidgets"
+    "!{sys.executable} -m pip install pydicom"
    ]
   },
   {
diff --git a/examples/environment.yml b/examples/environment.yml
index aee1731..e3fe0b8 100644
--- a/examples/environment.yml
+++ b/examples/environment.yml
@@ -8,4 +8,5 @@ dependencies:
   - vtk=8.2.0
   - pip:
     - itkwidgets==0.26.1
-
+    - simpleitkutilities
+    - pydicom