diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index ec0f76b7..331e8361 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "4.55.2"
+  ".": "4.56.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6e983ddf..a9e3dceb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [4.56.0](https://github.com/orbcorp/orb-python/compare/v4.55.2...v4.56.0) (2026-07-14)
+
+
+### Features
+
+* **api:** add `commitment` credit block source and `credit_commitment` field ([a438b80](https://github.com/orbcorp/orb-python/commit/a438b804292f8bb227d2d65a5e896100d0c9ce9a))
+* **api:** api update ([3f00a8f](https://github.com/orbcorp/orb-python/commit/3f00a8f95312ba543f2b280720b467113faecdaf))
+
 ## 4.55.2 (2026-07-10)
 
 Full Changelog: [v4.55.1...v4.55.2](https://github.com/orbcorp/orb-python/compare/v4.55.1...v4.55.2)
diff --git a/pyproject.toml b/pyproject.toml
index e5459e22..15f476af 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "orb-billing"
-version = "4.55.2"
+version = "4.56.0"
 description = "The official Python library for the orb API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/orb/_version.py b/src/orb/_version.py
index aca24df9..c5a82e2e 100644
--- a/src/orb/_version.py
+++ b/src/orb/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "orb"
-__version__ = "4.55.2"  # x-release-please-version
+__version__ = "4.56.0"  # x-release-please-version