diff --git a/commun/commun.sty b/commun/commun.sty
index 4b2bdfa..ffd7473 100644
--- a/commun/commun.sty
+++ b/commun/commun.sty
@@ -59,7 +59,7 @@
 \RequirePackage{tkz-euclide}
 \RequirePackage{calc}
 \RequirePackage{pgfplots}
-\RequirePackage[amssymb, squaren, pstricks]{SIunits}
+\RequirePackage{siunitx}
 \RequirePackage{asymptote}
 \RequirePackage{mathrsfs}