diff --git a/pyproject.toml b/pyproject.toml
index 2df34b1..521489a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ dependencies = [
   "numpy>=1.23",
   "pandas>=2.0,<3",
   "natsort>=8.0.0",
-  "plotly>=5.18,<7",
+  "plotly>=5.18,<8",
   # NotRequired (used in processbehavior.types) is only in typing from 3.11;
   # on 3.10 it comes from typing_extensions.
   "typing_extensions>=4.0; python_version < '3.11'",