diff --git a/pyproject.toml b/pyproject.toml
index 0b7bb6b3d..97ef78539 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,17 @@
 [build-system]
 requires = [
+    "bidict",
+    "cloudpickle",
+    "graphviz",
+    "h5io",
+    "h5io_browser",
+    "matplotlib",
+    "pandas",
+    "pyiron_base",
+    "pyiron_contrib",
+    "pympipool",
+    "toposort",
+    "typeguard",
     "setuptools",
     "versioneer[toml]==0.29",
 ]