diff --git a/pyproject.toml b/pyproject.toml
index 2159beb..1e8745d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,6 +7,7 @@ authors = [
 ]
 dependencies = [
     "chebai",
+    "descriptastorus",
     # below packages need to manually installed as mentioned in readme
     # torch-geometric
     # torch_scatter
@@ -15,7 +16,6 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "tox",
-    "descriptastorus",
 ]
 
 linters = [