diff --git a/CHANGES.md b/CHANGES.md
index 6d4d1b73..9c214108 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -10,6 +10,7 @@
 
 - add `py.typed` to package distributions ([#842](https://github.com/stac-utils/stac-fastapi/pull/842))
 - update/fix type informations ([#842](https://github.com/stac-utils/stac-fastapi/pull/842))
+- pin `stac_pydantic` to `>=3.3.0` for the correct import path of `stac_pydantic.shared.SearchDatetime` ([#844](https://github.com/stac-utils/stac-fastapi/pull/844))
 
 ## [5.2.1] - 2025-04-18
 
diff --git a/stac_fastapi/extensions/stac_fastapi/extensions/core/collection_search/request.py b/stac_fastapi/extensions/stac_fastapi/extensions/core/collection_search/request.py
index 4b9f7f91..f66f72c4 100644
--- a/stac_fastapi/extensions/stac_fastapi/extensions/core/collection_search/request.py
+++ b/stac_fastapi/extensions/stac_fastapi/extensions/core/collection_search/request.py
@@ -6,8 +6,7 @@
 import attr
 from fastapi import Query
 from pydantic import BaseModel, Field, PrivateAttr, ValidationInfo, field_validator
-from stac_pydantic.api.search import SearchDatetime
-from stac_pydantic.shared import BBox
+from stac_pydantic.shared import BBox, SearchDatetime
 from typing_extensions import Annotated
 
 from stac_fastapi.types.search import (
diff --git a/stac_fastapi/types/setup.py b/stac_fastapi/types/setup.py
index 9fa5d92a..137a12e5 100644
--- a/stac_fastapi/types/setup.py
+++ b/stac_fastapi/types/setup.py
@@ -9,7 +9,7 @@
     "fastapi>=0.109.0",
     "attrs>=23.2.0",
     "pydantic-settings>=2",
-    "stac_pydantic>=3.1.3,<4.0",
+    "stac_pydantic>=3.3.0,<4.0",
     "iso8601>=1.0.2,<2.2.0",
 ]