diff --git a/pyproject.toml b/pyproject.toml
index 814bb780..c202b115 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -114,7 +114,7 @@ influxdb = [
 ]
 io = [
   "cr8",
-  "dask>=2020,<=2023.11.0",
+  "dask>=2020,<=2023.12.1",
   "pandas<3,>=1",
 ]
 mongodb = [