diff --git a/CHANGES.md b/CHANGES.md
index e0d1da3f..7077d664 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,6 +2,8 @@
 
 ## [Unreleased]
 
+## [5.2.1] - 2025-04-18
+
 ### Fixed
 
 - avoid future deprecation for pydantic.Field and use `json_schema_extra` instead of `openapi_examples`
@@ -626,7 +628,8 @@ Full changelog: https://stac-utils.github.io/stac-fastapi/migrations/v3.0.0/#cha
 
 * First PyPi release!
 
-[Unreleased]: <https://github.com/stac-utils/stac-fastapi/compare/5.2.0..main>
+[Unreleased]: <https://github.com/stac-utils/stac-fastapi/compare/5.2.1..main>
+[5.2.1]: <https://github.com/stac-utils/stac-fastapi/compare/5.2.0..5.2.1>
 [5.2.0]: <https://github.com/stac-utils/stac-fastapi/compare/5.1.1..5.2.0>
 [5.1.1]: <https://github.com/stac-utils/stac-fastapi/compare/5.1.0..5.1.1>
 [5.1.0]: <https://github.com/stac-utils/stac-fastapi/compare/5.0.3..5.1.0>
diff --git a/VERSION b/VERSION
index 91ff5727..26d99a28 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.2.0
+5.2.1
diff --git a/pyproject.toml b/pyproject.toml
index cc38beb4..12b4afbd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ section-order = ["future", "standard-library", "third-party", "first-party", "lo
 quote-style = "double"
 
 [tool.bumpversion]
-current_version = "5.2.0"
+current_version = "5.2.1"
 parse = """(?x)
     (?P<major>\\d+)\\.
     (?P<minor>\\d+)\\.
diff --git a/stac_fastapi/api/stac_fastapi/api/version.py b/stac_fastapi/api/stac_fastapi/api/version.py
index c2e8c7a2..406bb0f3 100644
--- a/stac_fastapi/api/stac_fastapi/api/version.py
+++ b/stac_fastapi/api/stac_fastapi/api/version.py
@@ -1,3 +1,3 @@
 """Library version."""
 
-__version__ = "5.2.0"
+__version__ = "5.2.1"
diff --git a/stac_fastapi/extensions/stac_fastapi/extensions/version.py b/stac_fastapi/extensions/stac_fastapi/extensions/version.py
index c2e8c7a2..406bb0f3 100644
--- a/stac_fastapi/extensions/stac_fastapi/extensions/version.py
+++ b/stac_fastapi/extensions/stac_fastapi/extensions/version.py
@@ -1,3 +1,3 @@
 """Library version."""
 
-__version__ = "5.2.0"
+__version__ = "5.2.1"
diff --git a/stac_fastapi/types/stac_fastapi/types/version.py b/stac_fastapi/types/stac_fastapi/types/version.py
index c2e8c7a2..406bb0f3 100644
--- a/stac_fastapi/types/stac_fastapi/types/version.py
+++ b/stac_fastapi/types/stac_fastapi/types/version.py
@@ -1,3 +1,3 @@
 """Library version."""
 
-__version__ = "5.2.0"
+__version__ = "5.2.1"