diff --git a/.release-please-manifest.staging.json b/.release-please-manifest.staging.json
index b9fd16e3..500ff7b0 100644
--- a/.release-please-manifest.staging.json
+++ b/.release-please-manifest.staging.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.4.0-rc"
+  ".": "1.4.0-rc.1"
 }
diff --git a/CHANGELOG-rc.md b/CHANGELOG-rc.md
index 84b20570..82a02431 100644
--- a/CHANGELOG-rc.md
+++ b/CHANGELOG-rc.md
@@ -1,5 +1,24 @@
 # Changelog
 
+## [1.4.0-rc.1](https://github.com/DataIntegrationGroup/OcotilloAPI/compare/v1.4.0-rc...v1.4.0-rc.1) (2026-09-01)
+
+
+### Features
+
+* **lexicon:** add new "Hilton Ranch" organization term ([0ccb615](https://github.com/DataIntegrationGroup/OcotilloAPI/commit/0ccb615125c179c040691bf653b7cc7c5608ced3))
+* **lexicon:** add new "Hilton Ranch" organization term ([cce2a36](https://github.com/DataIntegrationGroup/OcotilloAPI/commit/cce2a36071b5e0d7790b1a0bc7b26f8d753927e0))
+* **lexicon:** add new "La Puerta HOA" and "Las Brisas HOA" organization terms ([ebe9cf3](https://github.com/DataIntegrationGroup/OcotilloAPI/commit/ebe9cf30e93cc3c3e31bd098e4d4585b131f63cd))
+* **lexicon:** add new "La Puerta HOA" and "Las Brisas HOA" organization terms ([bea6168](https://github.com/DataIntegrationGroup/OcotilloAPI/commit/bea61682470f6ac477ebb6ae7bc04af4416ead51))
+* **ogc:** add the water well field operations internal layer ([6fd64fa](https://github.com/DataIntegrationGroup/OcotilloAPI/commit/6fd64fa159042134754c7991e7d7cf4b5ef8c85a))
+* **ogc:** add the water well field operations internal layer ([9fb2410](https://github.com/DataIntegrationGroup/OcotilloAPI/commit/9fb2410af513b220e5e5a82c84c7a9219b541f1e))
+* **ogc:** apply Level 1 title naming pass across layers ([#906](https://github.com/DataIntegrationGroup/OcotilloAPI/issues/906)) ([30bac8a](https://github.com/DataIntegrationGroup/OcotilloAPI/commit/30bac8ad5f58b85f1c2a18ae26a5d0be4a7247c9))
+* **ogc:** consolidate field-operations columns ([809c899](https://github.com/DataIntegrationGroup/OcotilloAPI/commit/809c899e042e140144596ca54d59983a01e52a78))
+
+
+### Bug Fixes
+
+* **ogc:** allow internal relations with no public twin ([19cd51e](https://github.com/DataIntegrationGroup/OcotilloAPI/commit/19cd51e87cfffdc1dcfc108ecd618e3c7718d2b7))
+
 ## [1.4.0-rc](https://github.com/DataIntegrationGroup/OcotilloAPI/compare/v1.3.0...v1.4.0-rc) (2026-08-28)