diff --git a/slip-0173.md b/slip-0173.md
index 7d96e7b5e..aa282ba74 100644
--- a/slip-0173.md
+++ b/slip-0173.md
@@ -210,6 +210,7 @@ These are the registered human-readable parts for usage in Bech32 encoding of wi
 | OKP4                     | `okp4`        |          |             |
 | Omni                     | `o`           | `to`     | `ocrt`      |
 | OmniFlix                 | `omniflix`    |          |             |
+| OPCT Chain               | `opct`        |          |             |
 | Onomy                    | `onomy`       |          |             |
 | Oraichain                | `orai`        |          |             |
 | Osmosis                  | `osmo`        |          |             |