diff --git a/docs/compose/requirements.rst b/docs/compose/requirements.rst
index a5fd3d6b..1db200b0 100644
--- a/docs/compose/requirements.rst
+++ b/docs/compose/requirements.rst
@@ -5,8 +5,8 @@ Hardware considerations
 -----------------------
 
 You should make sure that your hardware (virtual or physical) is compatible with
-the latest Linux kernel. Also, you should have at least 2GB of total memory and
-1GB of free memory when running Mailu.
+the latest Linux kernel. Also, you should have at least 3GB of total memory and
+1GB of free memory/swap when running Mailu.
 
 Pick a distribution
 -------------------