diff --git a/pyproject.toml b/pyproject.toml
index 26acdb5..f6702c6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,6 +23,7 @@ classifiers = [
 ]
 dependencies = [
   "beaker-kernel==1.6.8",
+  "archytas==1.1.8",
   "pandas==1.3.3",
   "matplotlib~=3.7.1",
   "xarray==0.19.0",