diff --git a/pygeoapi/openapi.py b/pygeoapi/openapi.py
index f635b14..134ffe6 100644
--- a/pygeoapi/openapi.py
+++ b/pygeoapi/openapi.py
@@ -199,13 +199,27 @@ def get_oas_30(cfg):
 
         for k2, v2 in p.fields.items():
             path_ = '{}/items'.format(collection_name_path)
+
+            if v2['type'] == 'date':
+                schema = {
+                    'type': 'string',
+                    'format': 'date'
+                }
+            elif v2['type'] == 'float':
+                schema = {
+                    'type': 'number',
+                    'format': 'float'
+                }
+            else:
+                schema = {
+                    'type': v2['type']
+                }
+
             paths['{}'.format(path_)]['get']['parameters'].append({
                 'name': k2,
                 'in': 'query',
                 'required': False,
-                'schema': {
-                    'type': v2['type'],
-                },
+                'schema': schema,
                 'style': 'form',
                 'explode': False
             })