diff --git a/README.md b/README.md
index 2936d09..3e4346e 100644
--- a/README.md
+++ b/README.md
@@ -80,7 +80,8 @@ formats:
 * rpm
 * tar.gz
 
-They are generated on Ubuntu Trusty 64 bit.
+They are generated on Ubuntu Trusty 64 bit and signed with my
+[automatic signing key](https://tastytea.de/tastytea_autosign.asc).
 
 ### From source