diff --git a/pyproject.toml b/pyproject.toml
index 652aa429..bfdb7781 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ additional = ["CFML", "GSASII"]
 pytest = "^7.1"
 toml = "^0.10"
 requests = '^2.24'
-py3Dmol = "^1.7.0"
+py3Dmol = "^2.0.1"
 bokeh = "^3.0.3"
 
 [tool.poetry.scripts]