diff --git a/app/stac_api/migrations/0068_alter_asset_media_type_and_more.py b/app/stac_api/migrations/0068_alter_asset_media_type_and_more.py
new file mode 100644
index 00000000..7ffc3d9e
--- /dev/null
+++ b/app/stac_api/migrations/0068_alter_asset_media_type_and_more.py
@@ -0,0 +1,250 @@
+# Generated by Django 5.0.11 on 2025-08-14 14:19
+
+from django.db import migrations
+from django.db import models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stac_api', '0067_update_conformance'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='asset',
+            name='media_type',
+            field=models.CharField(
+                choices=
+                [(
+                    'application/vnd.apache.parquet',
+                    'Apache Parquet column-oriented data file format (application/vnd.apache.parquet)'
+                ),
+                 (
+                     'application/x.ascii-grid+zip',
+                     'Zipped ESRI ASCII raster format (.asc) (application/x.ascii-grid+zip)'
+                 ),
+                 ('application/x.ascii-xyz+zip', 'Zipped XYZ (.xyz) (application/x.ascii-xyz+zip)'),
+                 ('application/x.e00+zip', 'Zipped e00 (application/x.e00+zip)'),
+                 ('application/x.geotiff+zip', 'Zipped GeoTIFF (application/x.geotiff+zip)'),
+                 ('image/tiff; application=geotiff', 'GeoTIFF (image/tiff; application=geotiff)'),
+                 ('application/x.tiff+zip', 'Zipped TIFF (application/x.tiff+zip)'),
+                 ('application/x.png+zip', 'Zipped PNG (application/x.png+zip)'),
+                 ('application/x.jpeg+zip', 'Zipped JPEG (application/x.jpeg+zip)'),
+                 (
+                     'application/vnd.google-earth.kml+xml',
+                     'KML (application/vnd.google-earth.kml+xml)'
+                 ),
+                 (
+                     'application/vnd.google-earth.kmz',
+                     'Zipped KML (application/vnd.google-earth.kmz)'
+                 ), ('application/x.dxf+zip', 'Zipped DXF (application/x.dxf+zip)'),
+                 ('application/gml+xml', 'GML (application/gml+xml)'),
+                 ('application/x.gml+zip', 'Zipped GML (application/x.gml+zip)'),
+                 ('application/vnd.las', 'LIDAR (application/vnd.las)'),
+                 ('application/vnd.laszip', 'Zipped LIDAR (application/vnd.laszip)'),
+                 ('application/x.vnd.las+zip', 'Zipped LAS (application/x.vnd.las+zip)'),
+                 (
+                     'application/vnd.laszip+copc',
+                     'Cloud Optimized Point Cloud (COPC) (application/vnd.laszip+copc)'
+                 ),
+                 ('application/x.shapefile+zip',
+                  'Zipped Shapefile (application/x.shapefile+zip)'), (
+                      'application/x.filegdb+zip',
+                      'Zipped File Geodatabase (application/x.filegdb+zip)'
+                  ),
+                 (
+                     'application/x.filegdbp+zip',
+                     'Zipped File Geodatabase (ArcGIS Pro) (application/x.filegdbp+zip)'
+                 ),
+                 (
+                     'application/x.ms-access+zip',
+                     'Zipped Personal Geodatabase (application/x.ms-access+zip)'
+                 ), ('application/x.ms-excel+zip', 'Zipped Excel (application/x.ms-excel+zip)'),
+                 ('application/x.tab+zip', 'Zipped Mapinfo-TAB (application/x.tab+zip)'),
+                 (
+                     'application/x.tab-raster+zip',
+                     'Zipped Mapinfo-Raster-TAB (application/x.tab-raster+zip)'
+                 ), ('application/x.csv+zip',
+                     'Zipped CSV (application/x.csv+zip)'), ('text/csv', 'CSV (text/csv)'),
+                 ('application/geopackage+sqlite3',
+                  'Geopackage (application/geopackage+sqlite3)'), (
+                      'application/x.geopackage+zip',
+                      'Zipped Geopackage (application/x.geopackage+zip)'
+                  ), ('application/geo+json', 'GeoJSON (application/geo+json)'),
+                 ('application/x.geojson+zip', 'Zipped GeoJSON (application/x.geojson+zip)'),
+                 (
+                     'application/x.interlis; version=2.3',
+                     'Interlis 2 (application/x.interlis; version=2.3)'
+                 ),
+                 (
+                     'application/x.interlis+zip; version=2.3',
+                     'Zipped XTF (2.3) (application/x.interlis+zip; version=2.3)'
+                 ),
+                 (
+                     'application/x.interlis; version=2.4',
+                     'Interlis 2 (application/x.interlis; version=2.4)'
+                 ),
+                 (
+                     'application/x.interlis+zip; version=2.4',
+                     'Zipped XTF (2.4) (application/x.interlis+zip; version=2.4)'
+                 ),
+                 (
+                     'application/x.interlis; version=1',
+                     'Interlis 1 (application/x.interlis; version=1)'
+                 ),
+                 (
+                     'application/x.interlis+zip; version=1',
+                     'Zipped ITF (application/x.interlis+zip; version=1)'
+                 ),
+                 (
+                     'image/tiff; application=geotiff; profile=cloud-optimized',
+                     'Cloud Optimized GeoTIFF (COG) (image/tiff; application=geotiff; profile=cloud-optimized)'
+                 ), ('application/pdf', 'PDF (application/pdf)'),
+                 ('application/x.pdf+zip', 'Zipped PDF (application/x.pdf+zip)'),
+                 ('application/json', 'JSON (application/json)'),
+                 ('application/x.json+zip', 'Zipped JSON (application/x.json+zip)'),
+                 ('application/x-netcdf', 'NetCDF (application/x-netcdf)'),
+                 ('application/x.netcdf+zip', 'Zipped NetCDF (application/x.netcdf+zip)'),
+                 ('application/xml', 'XML (application/xml)'),
+                 ('application/x.xml+zip', 'Zipped XML (application/x.xml+zip)'),
+                 (
+                     'application/vnd.mapbox-vector-tile',
+                     'mbtiles (application/vnd.mapbox-vector-tile)'
+                 ), ('text/plain',
+                     'Text (text/plain)'), ('text/x.plain+zip', 'Zipped text (text/x.plain+zip)'),
+                 ('application/x.dwg+zip', 'Zipped DWG (application/x.dwg+zip)'),
+                 ('application/zip',
+                  'Generic Zip File (application/zip)'), ('image/tiff', 'TIFF (image/tiff)'),
+                 ('image/jpeg', 'JPEG (image/jpeg)'), ('image/png', 'PNG (image/png)'),
+                 ('application/vnd.sqlite3', 'sqlite (application/vnd.sqlite3)'),
+                 ('application/grib', 'GRIB/GRIB2 (application/grib)'),
+                 ('application/x-hdf5', 'HDF5 (application/x-hdf5)')],
+                help_text=
+                "This media type will be used as <em>Content-Type</em> header for the asset's object upon upload.",
+                max_length=200
+            ),
+        ),
+        migrations.AlterField(
+            model_name='collectionasset',
+            name='media_type',
+            field=models.CharField(
+                choices=[
+                    (
+                        'application/vnd.apache.parquet',
+                        'Apache Parquet column-oriented data file format (application/vnd.apache.parquet)'
+                    ),
+                    (
+                        'application/x.ascii-grid+zip',
+                        'Zipped ESRI ASCII raster format (.asc) (application/x.ascii-grid+zip)'
+                    ),
+                    (
+                        'application/x.ascii-xyz+zip',
+                        'Zipped XYZ (.xyz) (application/x.ascii-xyz+zip)'
+                    ), ('application/x.e00+zip', 'Zipped e00 (application/x.e00+zip)'),
+                    ('application/x.geotiff+zip', 'Zipped GeoTIFF (application/x.geotiff+zip)'), (
+                        'image/tiff; application=geotiff',
+                        'GeoTIFF (image/tiff; application=geotiff)'
+                    ), ('application/x.tiff+zip', 'Zipped TIFF (application/x.tiff+zip)'),
+                    ('application/x.png+zip', 'Zipped PNG (application/x.png+zip)'),
+                    ('application/x.jpeg+zip', 'Zipped JPEG (application/x.jpeg+zip)'),
+                    (
+                        'application/vnd.google-earth.kml+xml',
+                        'KML (application/vnd.google-earth.kml+xml)'
+                    ),
+                    (
+                        'application/vnd.google-earth.kmz',
+                        'Zipped KML (application/vnd.google-earth.kmz)'
+                    ), ('application/x.dxf+zip', 'Zipped DXF (application/x.dxf+zip)'),
+                    ('application/gml+xml', 'GML (application/gml+xml)'),
+                    ('application/x.gml+zip', 'Zipped GML (application/x.gml+zip)'),
+                    ('application/vnd.las', 'LIDAR (application/vnd.las)'),
+                    ('application/vnd.laszip', 'Zipped LIDAR (application/vnd.laszip)'),
+                    ('application/x.vnd.las+zip', 'Zipped LAS (application/x.vnd.las+zip)'),
+                    (
+                        'application/vnd.laszip+copc',
+                        'Cloud Optimized Point Cloud (COPC) (application/vnd.laszip+copc)'
+                    ), (
+                        'application/x.shapefile+zip',
+                        'Zipped Shapefile (application/x.shapefile+zip)'
+                    ),
+                    (
+                        'application/x.filegdb+zip',
+                        'Zipped File Geodatabase (application/x.filegdb+zip)'
+                    ),
+                    (
+                        'application/x.filegdbp+zip',
+                        'Zipped File Geodatabase (ArcGIS Pro) (application/x.filegdbp+zip)'
+                    ),
+                    (
+                        'application/x.ms-access+zip',
+                        'Zipped Personal Geodatabase (application/x.ms-access+zip)'
+                    ), ('application/x.ms-excel+zip', 'Zipped Excel (application/x.ms-excel+zip)'),
+                    ('application/x.tab+zip', 'Zipped Mapinfo-TAB (application/x.tab+zip)'),
+                    (
+                        'application/x.tab-raster+zip',
+                        'Zipped Mapinfo-Raster-TAB (application/x.tab-raster+zip)'
+                    ), ('application/x.csv+zip',
+                        'Zipped CSV (application/x.csv+zip)'), ('text/csv', 'CSV (text/csv)'), (
+                            'application/geopackage+sqlite3',
+                            'Geopackage (application/geopackage+sqlite3)'
+                        ),
+                    (
+                        'application/x.geopackage+zip',
+                        'Zipped Geopackage (application/x.geopackage+zip)'
+                    ), ('application/geo+json', 'GeoJSON (application/geo+json)'),
+                    ('application/x.geojson+zip', 'Zipped GeoJSON (application/x.geojson+zip)'),
+                    (
+                        'application/x.interlis; version=2.3',
+                        'Interlis 2 (application/x.interlis; version=2.3)'
+                    ),
+                    (
+                        'application/x.interlis+zip; version=2.3',
+                        'Zipped XTF (2.3) (application/x.interlis+zip; version=2.3)'
+                    ),
+                    (
+                        'application/x.interlis; version=2.4',
+                        'Interlis 2 (application/x.interlis; version=2.4)'
+                    ),
+                    (
+                        'application/x.interlis+zip; version=2.4',
+                        'Zipped XTF (2.4) (application/x.interlis+zip; version=2.4)'
+                    ),
+                    (
+                        'application/x.interlis; version=1',
+                        'Interlis 1 (application/x.interlis; version=1)'
+                    ),
+                    (
+                        'application/x.interlis+zip; version=1',
+                        'Zipped ITF (application/x.interlis+zip; version=1)'
+                    ),
+                    (
+                        'image/tiff; application=geotiff; profile=cloud-optimized',
+                        'Cloud Optimized GeoTIFF (COG) (image/tiff; application=geotiff; profile=cloud-optimized)'
+                    ), ('application/pdf', 'PDF (application/pdf)'),
+                    ('application/x.pdf+zip', 'Zipped PDF (application/x.pdf+zip)'),
+                    ('application/json', 'JSON (application/json)'),
+                    ('application/x.json+zip', 'Zipped JSON (application/x.json+zip)'),
+                    ('application/x-netcdf', 'NetCDF (application/x-netcdf)'),
+                    ('application/x.netcdf+zip', 'Zipped NetCDF (application/x.netcdf+zip)'),
+                    ('application/xml', 'XML (application/xml)'),
+                    ('application/x.xml+zip', 'Zipped XML (application/x.xml+zip)'),
+                    (
+                        'application/vnd.mapbox-vector-tile',
+                        'mbtiles (application/vnd.mapbox-vector-tile)'
+                    ), ('text/plain', 'Text (text/plain)'),
+                    ('text/x.plain+zip', 'Zipped text (text/x.plain+zip)'),
+                    ('application/x.dwg+zip', 'Zipped DWG (application/x.dwg+zip)'),
+                    ('application/zip',
+                     'Generic Zip File (application/zip)'), ('image/tiff', 'TIFF (image/tiff)'),
+                    ('image/jpeg', 'JPEG (image/jpeg)'), ('image/png', 'PNG (image/png)'),
+                    ('application/vnd.sqlite3', 'sqlite (application/vnd.sqlite3)'),
+                    ('application/grib', 'GRIB/GRIB2 (application/grib)'),
+                    ('application/x-hdf5', 'HDF5 (application/x-hdf5)')
+                ],
+                help_text=
+                "This media type will be used as <em>Content-Type</em> header for the asset's object upon upload.",
+                max_length=200
+            ),
+        ),
+    ]
diff --git a/app/stac_api/validators.py b/app/stac_api/validators.py
index 609e551f..b73f0537 100644
--- a/app/stac_api/validators.py
+++ b/app/stac_api/validators.py
@@ -104,7 +104,8 @@
     MediaType('image/jpeg', 'JPEG', ['.jpeg', '.jpg']),
     MediaType('image/png', 'PNG', ['.png']),
     MediaType('application/vnd.sqlite3', 'sqlite', ['.sqlite']),
-    MediaType('application/grib', 'GRIB/GRIB2', ['.grib', '.grib2'])
+    MediaType('application/grib', 'GRIB/GRIB2', ['.grib', '.grib2']),
+    MediaType('application/x-hdf5', 'HDF5', ['.h5'])
 ]
 
 MT_VAR = "[0-9A-Za-z!#$%&'*+.^_`|~-]+"