diff --git a/setup.py b/setup.py
index bfa47b8..b633ccc 100644
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,9 @@
     keywords='pyiron',
     packages=find_packages(exclude=["*tests*", "*docs*", "*binder*", "*conda*", "*notebooks*", "*.ci_support*"]),
     install_requires=[
-        'pyiron_atomistics==0.2.3'
+        'pyiron_atomistics==0.2.3',
+        'spglib==1.16.1',
+        'scipy==1.6.0'
     ],
     cmdclass=versioneer.get_cmdclass(),