diff --git a/CHANGES.md b/CHANGES.md
index f043635c..2cda0a75 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Fixed
+
+* Fixed warnings.warn deprecation syntax for response class and the context extension ([#660](https://github.com/stac-utils/stac-fastapi/pull/660))
+
 ## [2.5.0] - 2024-04-12
 
 ### Added
diff --git a/stac_fastapi/api/stac_fastapi/api/routes.py b/stac_fastapi/api/stac_fastapi/api/routes.py
index 66b76d2d..df4a136e 100644
--- a/stac_fastapi/api/stac_fastapi/api/routes.py
+++ b/stac_fastapi/api/stac_fastapi/api/routes.py
@@ -45,7 +45,7 @@ def create_async_endpoint(
     """
 
     if response_class:
-        warnings.warns(
+        warnings.warn(
             "`response_class` option is deprecated, please set the Response class directly in the endpoint.",  # noqa: E501
             DeprecationWarning,
         )
diff --git a/stac_fastapi/extensions/stac_fastapi/extensions/core/context.py b/stac_fastapi/extensions/stac_fastapi/extensions/core/context.py
index b6539487..4037ba93 100644
--- a/stac_fastapi/extensions/stac_fastapi/extensions/core/context.py
+++ b/stac_fastapi/extensions/stac_fastapi/extensions/core/context.py
@@ -28,7 +28,7 @@ class ContextExtension(ApiExtension):
 
     def __attrs_post_init__(self):
         """init."""
-        warnings.warm(
+        warnings.warn(
             "The ContextExtension is deprecated and will be removed in 3.0.",
             DeprecationWarning,
             stacklevel=1,