diff --git a/CHANGES.md b/CHANGES.md
index 2b9117b1..1d613c7f 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -9,6 +9,7 @@
 ### Added
 
 * Add `numberMatched` and `numberReturned` properties in `types.stac.ItemCollection` model
+* Add `numberMatched` and `numberReturned` properties in `types.stac.Collections` model
 
 ## [3.0.3] - 2024-10-09
 
diff --git a/stac_fastapi/types/setup.py b/stac_fastapi/types/setup.py
index e767b85e..a3f18f90 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",
+    "stac_pydantic>=3.1.3,<4.0",
     "iso8601>=1.0.2,<2.2.0",
 ]
 
diff --git a/stac_fastapi/types/stac_fastapi/types/stac.py b/stac_fastapi/types/stac_fastapi/types/stac.py
index cb353867..38fdf737 100644
--- a/stac_fastapi/types/stac_fastapi/types/stac.py
+++ b/stac_fastapi/types/stac_fastapi/types/stac.py
@@ -84,3 +84,5 @@ class Collections(TypedDict, total=False):
 
     collections: List[Collection]
     links: List[Dict[str, Any]]
+    numberMatched: Optional[int] = None
+    numberReturned: Optional[int] = None