diff --git a/debian11_setup.sh b/debian11_setup.sh
index f6f181b2..ba521d4f 100644
--- a/debian11_setup.sh
+++ b/debian11_setup.sh
@@ -32,8 +32,8 @@ apt-get autoremove >/dev/null
 
 # Update container OS
 msg "Updating container OS..."
-apt update >/dev/null
-apt upgrade &>/dev/null
+apt-get update >/dev/null
+apt-get upgrade &>/dev/null
 
 # Install prerequisites
 msg "Installing prerequisites..."