diff --git a/README.adoc b/README.adoc
index a4c858c..4cb21f5 100644
--- a/README.adoc
+++ b/README.adoc
@@ -70,7 +70,6 @@ only.
 ====
 [source,zsh]
 ----
-apt-get update
 apt-get install g++-6 cmake pkg-config libpoco-dev libxdg-basedir-dev asciidoc dpkg
 export CXX="g++-6"
 ----