diff --git a/pixi.toml b/pixi.toml
index 622c2720f..663c0c921 100644
--- a/pixi.toml
+++ b/pixi.toml
@@ -32,5 +32,8 @@ sfdata = { version = "*", channel = "paulscherrerinstitute" }
 [pypi-dependencies]
 ipython = "*"
 numpy = "*"
-scipy = "*"
+scipy = ">=1.0,<1.5"
 matplotlib = "*"
+
+[system]
+run-post-link-scripts = false
\ No newline at end of file