diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 96f1cd9..4c313f9 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.3.0"
+  ".": "1.4.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a14c684..4d8ea1f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.4.0](https://github.com/runpod-workers/flash/compare/v1.3.0...v1.4.0) (2026-03-23)
+
+
+### Features
+
+* **http:** add Runpod Flash User-Agent to cross-endpoint requests ([#81](https://github.com/runpod-workers/flash/issues/81)) ([23782f8](https://github.com/runpod-workers/flash/commit/23782f81c1ab74bebab939def544cff239ff80e8))
+
 ## [1.3.0](https://github.com/runpod-workers/flash/compare/v1.2.0...v1.3.0) (2026-03-10)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 51661aa..1e07d48 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "worker-flash"
-version = "1.3.0"
+version = "1.4.0"
 description = "Dynamic GPU provisioning for ML workloads with transparent execution"
 readme = "README.md"
 requires-python = ">=3.10,<3.14"
diff --git a/src/version.py b/src/version.py
index ac8cd90..f0da707 100644
--- a/src/version.py
+++ b/src/version.py
@@ -3,7 +3,7 @@
 import platform
 from importlib.metadata import PackageNotFoundError, version
 
-__version__ = "1.3.0"  # x-release-please-version
+__version__ = "1.4.0"  # x-release-please-version
 
 
 def _get_version(package_name: str) -> str: