diff --git a/raspi-docker/modules/ROOT/pages/index-install.adoc b/raspi-docker/modules/ROOT/pages/index-install.adoc
index d8de6cc..fbbc424 100644
--- a/raspi-docker/modules/ROOT/pages/index-install.adoc
+++ b/raspi-docker/modules/ROOT/pages/index-install.adoc
@@ -162,6 +162,8 @@ sh -c "printf 'Package: *\nPin: release a=unstable\nPin-Priority: 90\n' >> /etc/
 
 [source,sh]
 ----
+apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 04EE7237B7D453EC
+apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 648ACFD622F3D138
 apt update
 apt install wireguard --assume-yes
 ----