diff --git a/pyproject.toml b/pyproject.toml
index 38982f8..1434994 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,8 +7,6 @@ readme = "README.md"
 
 dependencies = [
     "setuptools",
-    "spatialdata@git+https://github.com/leoschwarz/spatialdata@py3_12-support",
-    "spatialdata-plot>=0.2.1",
     "alphapept>=0.5.2",
     "altair>=5.2.0",
     "h5py>=3.10.0",
@@ -64,7 +62,9 @@ dev = [
     "xmltodict",
     "licensecheck",
     "hdbscan",
-    "nox[uv]"
+    "nox[uv]",
+    "spatialdata@git+https://github.com/leoschwarz/spatialdata@py3_12-support",
+    "spatialdata-plot>=0.2.1",
 ]
 
 # potentially relevant in the future again: