diff --git a/M2/submodules/givaro b/M2/submodules/givaro
index fc6cac78205..c4090f55844 160000
--- a/M2/submodules/givaro
+++ b/M2/submodules/givaro
@@ -1 +1 @@
-Subproject commit fc6cac7820539c900dde332326c71461ba7b910b
+Subproject commit c4090f55844f056ebb5d430a78232d60de5da1f6