diff --git a/mail/msmtp/Makefile b/mail/msmtp/Makefile
index 9a29f5ce03..4f9dce3a3e 100644
--- a/mail/msmtp/Makefile
+++ b/mail/msmtp/Makefile
@@ -44,7 +44,7 @@ endef
 
 define Package/msmtp
 $(call Package/msmtp/Default)
-  DEPENDS+= +libopenssl
+  DEPENDS+= +libopenssl +ca-bundle
   TITLE+= (with SSL support)
   VARIANT:=ssl
 endef