diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 18cac80..2537c1f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.3.4"
+  ".": "0.4.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8c05a23..a87e076 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,25 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.4.0](https://github.com/developmentseed/eoapi-devseed/compare/0.3.4...0.4.0) (2026-07-14)
+
+
+### Added
+
+* added stac transactions with stac-auth-proxy. ([80fb41a](https://github.com/developmentseed/eoapi-devseed/commit/80fb41abd8707733feabb90e9361de80b686b7bd))
+
+
+### Fixed
+
+* publication of containers. ([fc4a571](https://github.com/developmentseed/eoapi-devseed/commit/fc4a5714efea7a15298ac4778bc79c49fadcc022))
+* stac viewer and raster mosaik builder. ([c9b455a](https://github.com/developmentseed/eoapi-devseed/commit/c9b455ad6017ffe314185a56e8ee5b237643fe5c))
+* tile preview in stac browser. ([8a899c3](https://github.com/developmentseed/eoapi-devseed/commit/8a899c347187826313de0c93b4e1b3d10b4a4d78))
+
+
+### Maintenance
+
+* use conventional semver for release-please ([ba28065](https://github.com/developmentseed/eoapi-devseed/commit/ba2806547c84ab5e9e9a12cb6873fefaaedcdb04))
+
 ## [0.3.4](https://github.com/developmentseed/eoapi-devseed/compare/0.3.3...0.3.4) (2026-07-14)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index bb1a5ad..872aa01 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "eoapi-devseed"
-version = "0.3.4"
+version = "0.4.0"
 description = "Add your description here"
 readme = "README.md"
 requires-python = ">=3.12"
diff --git a/runtimes/eoapi/raster/eoapi/raster/__init__.py b/runtimes/eoapi/raster/eoapi/raster/__init__.py
index 8cacb1b..0c32efc 100644
--- a/runtimes/eoapi/raster/eoapi/raster/__init__.py
+++ b/runtimes/eoapi/raster/eoapi/raster/__init__.py
@@ -1,3 +1,3 @@
 """eoapi.raster."""
 
-__version__ = "0.3.4"  # x-release-please-version
+__version__ = "0.4.0"  # x-release-please-version
diff --git a/runtimes/eoapi/stac/eoapi/stac/__init__.py b/runtimes/eoapi/stac/eoapi/stac/__init__.py
index e37dc76..e624e26 100644
--- a/runtimes/eoapi/stac/eoapi/stac/__init__.py
+++ b/runtimes/eoapi/stac/eoapi/stac/__init__.py
@@ -1,3 +1,3 @@
 """eoapi.stac."""
 
-__version__ = "0.3.4"  # x-release-please-version
+__version__ = "0.4.0"  # x-release-please-version
diff --git a/runtimes/eoapi/vector/eoapi/vector/__init__.py b/runtimes/eoapi/vector/eoapi/vector/__init__.py
index 1dd5c41..3b7522a 100644
--- a/runtimes/eoapi/vector/eoapi/vector/__init__.py
+++ b/runtimes/eoapi/vector/eoapi/vector/__init__.py
@@ -1,3 +1,3 @@
 """eoapi.vector."""
 
-__version__ = "0.3.4"  # x-release-please-version
+__version__ = "0.4.0"  # x-release-please-version