diff --git a/README.md b/README.md
index 25f5b0e..078b59f 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ Other available stack variants:
 
 * [Docker](https://www.docker.com/community-edition#/download) version **17.05+**
 * [Docker Compose](https://docs.docker.com/compose/install/) version **1.6.0+**
-* 1 GB of RAM
+* 1.5 GB of RAM
 
 By default, the stack exposes the following ports:
 * 5000: Logstash TCP input