diff --git a/.spelling b/.spelling
index a32d71275b2..1612112ea7e 100644
--- a/.spelling
+++ b/.spelling
@@ -648,6 +648,7 @@ zhangzhiqiangcs
 arukiidou
 Richardds
 kahirokunn
+selfsigned-issuer
 
 # TEMPORARY
 # these are temporarily ignored because the spellchecker