diff --git a/pyproject.toml b/pyproject.toml
index cf56efe..2ba63d2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ dependencies = [
     "MDAnalysis>=2.9.0,<3.0.0",
     "numpy>=2.0.0,<2.5.0",
     "pandas>=2.3.0,<3.1.0",
-    "plotly>=6.0.0,<6.6.0",
+    "plotly>=6.0.0,<6.7.0",
     "pyKVFinder>=0.9.0,<1.0.0",
     "scikit-learn>=1.7.0,<2.0.0",
     "tqdm>=4.67.0",