diff --git a/examples/immersion_freezing.ipynb b/examples/immersion_freezing.ipynb
index e8ac1e50..5e0008ee 100644
--- a/examples/immersion_freezing.ipynb
+++ b/examples/immersion_freezing.ipynb
@@ -90,7 +90,7 @@
     "if 'google.colab' in sys.modules:\n",
     "    !pip --quiet install open-atmos-jupyter-utils\n",
     "    from open_atmos_jupyter_utils import pip_install_on_colab\n",
-    "    pip_install_on_colab('PyPartMC')\n",
+    "    pip_install_on_colab('PyPartMC>=2.0.0rc7')\n",
     "elif 'JUPYTER_IMAGE' in os.environ and '.arm.gov' in os.environ['JUPYTER_IMAGE']:\n",
     "    !pip --quiet install PyPartMC open_atmos_jupyter_utils\n",
     "    _pypartmc_path = !pip show PyPartMC | fgrep Location | cut -f2 -d' '\n",