diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0016eecb..8600795d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Changed
 ### Fixed
 
+- Corrected the closing of client connections in ES index management functions [#132](https://github.com/stac-utils/stac-fastapi-elasticsearch/issues/132)
+
 ## [v0.3.0]
 
 ### Added
@@ -59,7 +61,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
   Previously, there was no sort order defined.
 - Db_to_stac serializer moved to core.py for consistency as it existed in both core and database_logic previously.
 - Use genexp in execute_search and get_all_collections to return results.
-- Added db_to_stac serializer to item_collection method in core.py.   
+- Added db_to_stac serializer to item_collection method in core.py.
 
 [Unreleased]: <https://github.com/stac-utils/stac-fastapi-elasticsearch/tree/v0.3.0...main>
 [v0.3.0]: <https://github.com/stac-utils/stac-fastapi-elasticsearch/tree/v0.2.0...v0.3.0>
diff --git a/stac_fastapi/elasticsearch/stac_fastapi/elasticsearch/database_logic.py b/stac_fastapi/elasticsearch/stac_fastapi/elasticsearch/database_logic.py
index 0c9d80ff..a59e5b2c 100644
--- a/stac_fastapi/elasticsearch/stac_fastapi/elasticsearch/database_logic.py
+++ b/stac_fastapi/elasticsearch/stac_fastapi/elasticsearch/database_logic.py
@@ -140,29 +140,36 @@ def indices(collection_ids: Optional[List[str]]) -> str:
 
 
 async def create_collection_index() -> None:
-    """Create the index for Items and Collections."""
-    await AsyncElasticsearchSettings().create_client.indices.create(
+    """Create the index for Collections."""
+    client = AsyncElasticsearchSettings().create_client
+
+    await client.indices.create(
         index=COLLECTIONS_INDEX,
         mappings=ES_COLLECTIONS_MAPPINGS,
         ignore=400,  # ignore 400 already exists code
     )
+    await client.close()
 
 
 async def create_item_index(collection_id: str):
-    """Create the index for Items and Collections."""
-    await AsyncElasticsearchSettings().create_client.indices.create(
+    """Create the index for Items."""
+    client = AsyncElasticsearchSettings().create_client
+
+    await client.indices.create(
         index=index_by_collection_id(collection_id),
         mappings=ES_ITEMS_MAPPINGS,
         settings=ES_ITEMS_SETTINGS,
         ignore=400,  # ignore 400 already exists code
     )
+    await client.close()
 
 
 async def delete_item_index(collection_id: str):
-    """Create the index for Items and Collections."""
-    await AsyncElasticsearchSettings().create_client.indices.delete(
-        index=index_by_collection_id(collection_id)
-    )
+    """Delete the index for Items."""
+    client = AsyncElasticsearchSettings().create_client
+
+    await client.indices.delete(index=index_by_collection_id(collection_id))
+    await client.close()
 
 
 def bbox2polygon(b0: float, b1: float, b2: float, b3: float) -> List[List[List[float]]]: