diff --git a/spack.yaml b/spack.yaml
index 37296648235200b4adb490c6642023f5ecebc3ef..6d11dbecaf743b77e997b05dad4200247754bcb3 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -1,5 +1,7 @@
 spack:
   specs:
+    # Base
+    - python@3.8.11 %gcc@10.3.0
     # Notebook
     - py-jupyter %gcc@10.3.0
     - py-ipython %gcc@10.3.0