diff --git a/CHANGES.md b/CHANGES.md
index e6e13b55..f6d474b8 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -8,6 +8,8 @@ Note: Minor version `0.X.0` update might break the API, It's recommended to pin
 
 ## [unreleased]
 
+* fix serialization of UUID columns (author @giorgiobasile, https://github.com/developmentseed/tipg/pull/199)
+
 ## [0.8.0] - 2024-10-17
 
 * update `starlette-cramjam` dependency and set compression-level default to 6
diff --git a/tests/fixtures/my_data.sql b/tests/fixtures/my_data.sql
index ce53fef7..57ca122c 100644
--- a/tests/fixtures/my_data.sql
+++ b/tests/fixtures/my_data.sql
@@ -9,7 +9,8 @@ ALTER TABLE "public"."my_data" ADD COLUMN "id" VARCHAR;
 ALTER TABLE "public"."my_data" ADD COLUMN "datetime" TIMESTAMP;
 ALTER TABLE "public"."my_data" ADD COLUMN "decimal" DECIMAL;
 ALTER TABLE "public"."my_data" ADD COLUMN "numeric" NUMERIC;
-INSERT INTO "public"."my_data" ("geom" , "id", "datetime", "decimal", "numeric") VALUES ('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', '0', '2004-10-19 10:23:54', 1.25, 1.25), ('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', '1', '2004-10-20 10:23:54', 0.8, 0.8), ('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', '2', '2004-10-21 10:23:54', -5.68, -5.68), ('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', '3', '2004-10-22 10:23:54', 98, 98), ('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', '4', '2004-10-23 10:23:54', 7.55526, 7.55526), ('0103000020E6100000010000000D000000BBE9944235C347C0EBF06E7961EE52406ADE718A8EC447C0D122DBF97EEE5240942D6301ECB947C05B59871F60F0524086CAEEF61AAE47C0BDEF3BBB76F252400A4C8422590E46C0B656FB86F03B5340FA28B2217F0346C0CE0A257ADB3D534057EC2FBB27F745C02B1895D409405340BEE6287052F545C01AA33BF2DF3F53401D386744692743C07958A835CDFF52403EDF52396E3443C0DC9EAF2DC7FD5240B9E39237FD0645C0574B4E2543B552400AD7A3703D1245C03A234A7B83B35240BBE9944235C347C0EBF06E7961EE5240', '5', '2004-10-24 10:23:54', -78.56, null);
+ALTER TABLE "public"."my_data" ADD COLUMN "uuid" UUID;
+INSERT INTO "public"."my_data" ("geom" , "id", "datetime", "decimal", "numeric", "uuid") VALUES ('0103000020E6100000010000001B0000003670CC05599B25C03A92CB7F483F54408907944DB9F221C0D9CEF753E315544069D68681BE5B22C0355D864BD1145440984C2580F45C27C062327530C20754409CB396CA942C30C08E6EC42E50F05340F32225E11DCB30C07C98C2D614ED5340075F984C15FC30C0075F984C15EC53400AA1BD9D6AD732C03439A530F50B5440D8BFC6C0170533C00414E74C050F54407650100F7C0E33C0B199D586A60F5440A01BF45DE29634C0B61719B9F6295440838D3D254B5D35C0DC611EC044375440B8A6A26802F135C06705618A2C4154407CBD21E2CF3136C09B1B77FC844554402CD49AE61D3736C076711B0DE045544039117CFD650136C001AEC11005475440DC27DD0AB9C935C0F45E61C1344854406182187FE9BA35C03AF2E08A854854400736A0D273F130C050CF32FAA1625440ED137AA9497230C0441F419D576554401D9FC06CB06E2BC0B1930B183C745440017C2AECC5F92AC01E2006F67A7554401895D40968822AC0986E1283C07654405D44620EE0782AC0E00B92AC54765440FAACE2F3F95C27C0CDCE93B2275354400D2FBCF61DD226C0385BB99C044D54403670CC05599B25C03A92CB7F483F5440', '0', '2004-10-19 10:23:54', 1.25, 1.25, '9cf5fce4-0b4a-47cc-98ef-83b958c03c2b'), ('0103000020E61000000100000019000000984067B8143E3DC043C2B8B8F40B5440ACEF9DFAC14B3DC0E950B3BEBB0C544070CE88D2DE503DC01B2FDD24060D544034C8A112A4243DC064CC7707650E54409232AD9551103DC079704A40060F5440A630DBCBFBF43CC0E22ABE1BDF0F5440AC95A5A7DFA638C09E34007606325440FE987A2A9D7238C05D165F0DA5335440D1BF9E64C80A38C0FF6D3AC6DC3654409ACC3E07335D36C0578150C82C4454407CBD21E2CF3136C09B1B77FC8445544039117CFD650136C001AEC110054754401EA7E8482ECF35C07F6ABC7493485440DC27DD0AB9C935C0F45E61C134485440A2F3387764C135C09C775737A44754405526CE34BBDB34C047F7C465133854408DF37646C5EA33C0F10FDC85BE2754406D6485236BA431C08C72AF36460054403EE8D9ACFA9C30C07CF2B0506BEE5340F32225E11DCB30C07C98C2D614ED5340FE41CA2BA27737C016B27D9C8ABB5340C442AD69DEA137C05F07CE1951BA5340F9CBEEC9C30A38C07E078C8947C05340898D7238194D38C059C5B4D10CC45340984067B8143E3DC043C2B8B8F40B5440', '1', '2004-10-20 10:23:54', 0.8, 0.8, 'f8c0e812-ca5b-4112-917e-60ad7ec3b376'), ('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', '2', '2004-10-21 10:23:54', -5.68, -5.68, '2ea9951d-3aa9-499b-ac5e-2d82cdaf7aa8'), ('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', '3', '2004-10-22 10:23:54', 98, 98, '6b6a659d-8483-4e71-9299-9fb717a9ab17'), ('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', '4', '2004-10-23 10:23:54', 7.55526, 7.55526, 'aaffbb93-ddbc-42a0-9f1d-68a9e3f23b15'), ('0103000020E6100000010000000D000000BBE9944235C347C0EBF06E7961EE52406ADE718A8EC447C0D122DBF97EEE5240942D6301ECB947C05B59871F60F0524086CAEEF61AAE47C0BDEF3BBB76F252400A4C8422590E46C0B656FB86F03B5340FA28B2217F0346C0CE0A257ADB3D534057EC2FBB27F745C02B1895D409405340BEE6287052F545C01AA33BF2DF3F53401D386744692743C07958A835CDFF52403EDF52396E3443C0DC9EAF2DC7FD5240B9E39237FD0645C0574B4E2543B552400AD7A3703D1245C03A234A7B83B35240BBE9944235C347C0EBF06E7961EE5240', '5', '2004-10-24 10:23:54', -78.56, null, '0c485db0-0465-44cc-b4d2-3444dc655229');
 ALTER TABLE public.my_data ADD COLUMN otherdt timestamptz;
 ALTER TABLE public.my_data ADD COLUMN datedt date;
 ALTER TABLE public.my_data ADD COLUMN othergeom geometry;
diff --git a/tests/routes/test_items.py b/tests/routes/test_items.py
index e8b72a06..304a355d 100644
--- a/tests/routes/test_items.py
+++ b/tests/routes/test_items.py
@@ -886,9 +886,10 @@ def test_items_env_table_config_main(app, monkeypatch):
     assert body["features"][0]["geometry"]["type"] == "Polygon"
     Items.model_validate(body)
 
-    # Make sure that Postgres Decimal and Numeric are converted to str
+    # Make sure that Postgres Decimal, Numeric and UUID are converted to str
     assert isinstance(body["features"][0]["properties"]["decimal"], str)
     assert isinstance(body["features"][0]["properties"]["numeric"], str)
+    assert isinstance(body["features"][0]["properties"]["uuid"], str)
 
     response = app.get(
         "/collections/public.my_data/items",
@@ -901,9 +902,10 @@ def test_items_env_table_config_main(app, monkeypatch):
 
     assert len(body) == 1
     feature = json.loads(body[0])
-    # Make sure that Postgres Decimal and Numeric are converted to str
+    # Make sure that Postgres Decimal, Numeric and UUID are converted to str
     assert isinstance(feature["properties"]["decimal"], str)
     assert isinstance(feature["properties"]["numeric"], str)
+    assert isinstance(feature["properties"]["uuid"], str)
 
     response = app.get(
         "/collections/public.my_data/items?datetime=2004-10-19T10:23:54Z"
diff --git a/tipg/resources/response.py b/tipg/resources/response.py
index 0640231b..73b4a185 100644
--- a/tipg/resources/response.py
+++ b/tipg/resources/response.py
@@ -4,6 +4,7 @@
 from typing import Any
 
 import orjson
+from asyncpg.pgproto import pgproto
 
 from fastapi.responses import JSONResponse
 
@@ -12,6 +13,8 @@ def default(obj):
     """Instruct orjson what to do with types it does not natively serialize"""
     if isinstance(obj, decimal.Decimal):
         return str(obj)
+    elif isinstance(obj, pgproto.UUID):
+        return str(obj)
 
 
 def orjsonDumps(content: Any):