README.md: add gpg option

1 files changed, 1 insertions, 0 deletions

diff --git a/README.md b/README.md
index 8921807..767cd41 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ This includes scripts to be run on the build master as well as scripts to be run
 ### build slave only
 * some ssh-client
 * `devtools32`
+* set `keyserver-options auto-key-retrieve` in ~/.gnupg/gpg.conf
 
 ## configuration
 The standard configuration in `conf/default.conf` can be locally overwritten by `conf/local.conf`.