diff --git a/README.md b/README.md
index 86232accd..2189b9f95 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,7 @@ addon | version | summary
 [partner_firstname](partner_firstname/) | 8.0.2.0.0 | Split first name and last name for non company partners
 [partner_helper](partner_helper/) | 8.0.0.1.0 | Partner Helper
 [partner_relations](partner_relations/) | 8.0.1.1.0 | Partner relations
+[partner_second_lastname](partner_second_lastname/) | 8.0.4.0.0 | Partner second last name
 [partner_street_number](partner_street_number/) | 8.0.0.1.0 | Introduces separate fields for street name and street number.
 [passport](passport/) | 8.0.0.1.0 | Passport Management
 [portal_partner_merge](portal_partner_merge/) | 8.0.1.0.0 | Portal Partner Merge