diff --git a/CHANGELOG.md b/CHANGELOG.md
index a4db33a..74ef5ec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -32,7 +32,9 @@ and uses [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ### Changed
 - Aria stack supports different output types
+- Aria stacking uses aria frame id instead of frame number for stacking
 - asf_search uses `SearchAPISession` by default for search queries
+- bump asf-search to v9.0.4
 
 ------
 ## [1.0.4](https://github.com/asfadmin/Discovery-SearchAPI-v3/compare/v1.0.3...v1.0.4)
diff --git a/requirements.txt b/requirements.txt
index f8ed52f..01b83c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,8 +22,9 @@ ujson==5.7.0
 uvicorn==0.21.1
 watchfiles==0.19.0
 
-asf_search==9.0.2
+asf_search==9.0.4
 python-json-logger==2.0.7
+asf_enumeration
 
 pyshp==2.1.3
 geopandas
diff --git a/src/SearchAPI/application/application.py b/src/SearchAPI/application/application.py
index ecde580..f44fbe4 100644
--- a/src/SearchAPI/application/application.py
+++ b/src/SearchAPI/application/application.py
@@ -107,7 +107,7 @@ async def query_baseline(searchOptions: BaselineSearchOptsModel = Depends(proces
                     media_type='text/html; charset=utf-8',
                     headers=constants.DEFAULT_HEADERS
                 )
-                return 
+
             stack = stack_aria_gunw(reference)
             response_info = as_output(stack, output=output)
             return Response(**response_info)
diff --git a/src/SearchAPI/application/search.py b/src/SearchAPI/application/search.py
index 7c43303..1291adf 100644
--- a/src/SearchAPI/application/search.py
+++ b/src/SearchAPI/application/search.py
@@ -2,64 +2,21 @@
 
 import dateparser
 import asf_search as asf
-from asf_search import ASFSearchResults
+from asf_search import ASFSearchResults, ASFProduct
 from shapely.wkt import dumps as dump_to_wkt
 from shapely import Polygon
 
-def stack_aria_gunw(frame: str):
-    reference, aria_groups = get_aria_groups_for_frame(frame)
+from asf_enumeration import aria_s1_gunw
 
-    # track group index on each product, naively choose first granule available
-    for idx, group in enumerate(aria_groups):
-        group_granule_idx = None
-        for idy, product in enumerate(group['products']):
-            product.properties['groupIDX'] = idx
-            if group_granule_idx is None:
-                if product.has_baseline():
-                    group_granule_idx = idy
-        
-        group['group_granule_idx'] = group_granule_idx
-
-    
+def stack_aria_gunw(frame_id: str):
+    reference, aria_groups = get_aria_groups_for_frame(frame_id)
     
-    stack = ASFSearchResults([group['products'][group['group_granule_idx']] for group in aria_groups if group['group_granule_idx'] is not None])
+    stack = ASFSearchResults([group.products[0] for group in aria_groups])
     target_stack, warnings = asf.baseline.get_baseline_from_stack(reference, stack)
-    # for product in target_stack:
-    #     group_idx = product.properties.pop('groupIDX')
-    #     aria_groups[group_idx]['perpendicularBaseline'] = product.properties['perpendicularBaseline']
-    #     aria_groups[group_idx]['temporalBaseline'] = product.properties['temporalBaseline']
-    
-    # for group in aria_groups:
-    #     for idx, product in enumerate(group['products']):
-    #         group['products'][idx] = product.properties['sceneName']
-    #     group['date'] = group['date'].strftime('%Y-%m-%dT%H:%M:%SZ')
-    
-    return target_stack
-
-def get_aria_groups_for_frame(frame: str):
-    reference = asf.search(frame=int(frame), dataset=asf.DATASET.ARIA_S1_GUNW, maxResults=1)[0]
 
-    opts = asf.ASFSearchOptions(
-        relativeOrbit=reference.properties['pathNumber'],
-        processingLevel=asf.PRODUCT_TYPE.SLC, 
-        dataset=asf.DATASET.SENTINEL1, 
-        beamMode='IW', 
-        polarization=['VV','VV+VH'], 
-        flightDirection=reference.properties['flightDirection'],
-        intersectsWith=dump_to_wkt(Polygon(reference.geometry['coordinates'][0]))
-    )
-
-    slc_products = asf.search(opts=opts)
+    return target_stack
 
-    groups = defaultdict(list)
-    for product in slc_products:
-        group_id = product.properties['platform'] + '_' + str(product.properties['orbit'])
-        groups[group_id].append(product)
-    # dateparser.parse(str(value))
-    return reference, [
-        {
-            'date': min(dateparser.parse(product.properties['startTime']) for product in group),
-            'products': [product for product in group],
-        }
-        for group in groups.values()
-    ]
\ No newline at end of file
+def get_aria_groups_for_frame(frame: str) -> tuple[ASFProduct, list[aria_s1_gunw.Sentinel1Acquisition]]:
+    aria_frame = aria_s1_gunw.get_frame(frame_id=int(frame))
+    groups = aria_s1_gunw.get_acquisitions(aria_frame)
+    return groups[0].products[0], groups