diff --git a/CHANGELOG.md b/CHANGELOG.md
index 305e9002..901e4d0d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [v3.0.0a3] - 2024-07-17
+
 ### Added
  - Added an implementation of the Aggregation Extension. Enables spatial, frequency distribution, and datetime distribution aggregations. [#276](https://github.com/stac-utils/stac-fastapi-elasticsearch-opensearch/pull/276)
  - Added support for route depndencies configuration through the STAC_FASTAPI_ROUTE_DEPENDENCIES environment variable, directly or via json file. Allows for fastapi's inbuilt OAuth2 flows to be used as dependencies. Custom dependencies can also be written, see Basic Auth for an example. [#251](https://github.com/stac-utils/stac-fastapi-elasticsearch-opensearch/pull/251)
@@ -233,7 +235,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Added db_to_stac serializer to item_collection method in core.py.
 
 
-[Unreleased]: <https://github.com/stac-utils/stac-fastapi-elasticsearch/tree/v3.0.0a2...main>
+[Unreleased]: <https://github.com/stac-utils/stac-fastapi-elasticsearch/tree/v3.0.0a3...main>
+[v3.0.0a3]: <https://github.com/stac-utils/stac-fastapi-elasticsearch/tree/v3.0.0a2...v3.0.0a3>
 [v3.0.0a2]: <https://github.com/stac-utils/stac-fastapi-elasticsearch/tree/v3.0.0a1...v3.0.0a2>
 [v3.0.0a1]: <https://github.com/stac-utils/stac-fastapi-elasticsearch/tree/v3.0.0a0...v3.0.0a1>
 [v3.0.0a0]: <https://github.com/stac-utils/stac-fastapi-elasticsearch/tree/v2.4.1...v3.0.0a0>
diff --git a/stac_fastapi/core/stac_fastapi/core/version.py b/stac_fastapi/core/stac_fastapi/core/version.py
index 76f13200..ad0a12bd 100644
--- a/stac_fastapi/core/stac_fastapi/core/version.py
+++ b/stac_fastapi/core/stac_fastapi/core/version.py
@@ -1,2 +1,2 @@
 """library version."""
-__version__ = "3.0.0a2"
+__version__ = "3.0.0a3"
diff --git a/stac_fastapi/elasticsearch/setup.py b/stac_fastapi/elasticsearch/setup.py
index b2347b49..eee387e0 100644
--- a/stac_fastapi/elasticsearch/setup.py
+++ b/stac_fastapi/elasticsearch/setup.py
@@ -6,7 +6,7 @@
     desc = f.read()
 
 install_requires = [
-    "stac-fastapi.core==3.0.0a2",
+    "stac-fastapi.core==3.0.0a3",
     "elasticsearch[async]==8.11.0",
     "elasticsearch-dsl==8.11.0",
     "uvicorn",
diff --git a/stac_fastapi/elasticsearch/stac_fastapi/elasticsearch/version.py b/stac_fastapi/elasticsearch/stac_fastapi/elasticsearch/version.py
index 76f13200..ad0a12bd 100644
--- a/stac_fastapi/elasticsearch/stac_fastapi/elasticsearch/version.py
+++ b/stac_fastapi/elasticsearch/stac_fastapi/elasticsearch/version.py
@@ -1,2 +1,2 @@
 """library version."""
-__version__ = "3.0.0a2"
+__version__ = "3.0.0a3"
diff --git a/stac_fastapi/opensearch/setup.py b/stac_fastapi/opensearch/setup.py
index 0619d32e..689b3894 100644
--- a/stac_fastapi/opensearch/setup.py
+++ b/stac_fastapi/opensearch/setup.py
@@ -6,7 +6,7 @@
     desc = f.read()
 
 install_requires = [
-    "stac-fastapi.core==3.0.0a2",
+    "stac-fastapi.core==3.0.0a3",
     "opensearch-py==2.4.2",
     "opensearch-py[async]==2.4.2",
     "uvicorn",
diff --git a/stac_fastapi/opensearch/stac_fastapi/opensearch/version.py b/stac_fastapi/opensearch/stac_fastapi/opensearch/version.py
index 76f13200..ad0a12bd 100644
--- a/stac_fastapi/opensearch/stac_fastapi/opensearch/version.py
+++ b/stac_fastapi/opensearch/stac_fastapi/opensearch/version.py
@@ -1,2 +1,2 @@
 """library version."""
-__version__ = "3.0.0a2"
+__version__ = "3.0.0a3"