diff --git a/registry.txt b/registry.txt
index 9a606bde..eddbcf00 100644
--- a/registry.txt
+++ b/registry.txt
@@ -4239,3 +4239,4 @@ https://github.com/FTTechBrasil/FTTech_XBee.git|Contributed|FTTech SAMD51 XBee
 https://github.com/seanboe/SimpleFusion.git|Contributed|SimpleFsion
 https://github.com/DavidArmstrong/WMM_Tinier.git|Contributed|WMM_Tinier
 https://github.com/khoih-prog/FlashStorage_RTL8720.git|Contributed|FlashStorage_RTL8720
+https://gitlab.com/F-Schmidt/uulm_mcp23008_core.git|Contributed|UULM-MCP23008-CORE