diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 22633b4..2ae27d3 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -5,6 +5,7 @@
 - Update pre-commit configuration and switch to astral-sh/ruff for linter and formater
 - Add official support for python 3.12
 - Enforce required `type` key for `Collection` and `Catalog` models
+- Add queryables link relation type (#123, @constantinius)
 
 3.0.0 (2024-01-25)
 ------------------
diff --git a/stac_pydantic/links.py b/stac_pydantic/links.py
index 6784ebf..e2ed603 100644
--- a/stac_pydantic/links.py
+++ b/stac_pydantic/links.py
@@ -78,3 +78,4 @@ class Relations(str, AutoValueEnum):
     data = auto()
     service_desc = "service-desc"
     service_doc = "service-doc"
+    queryables = "http://www.opengis.net/def/rel/ogc/1.0/queryables"
diff --git a/stac_pydantic/shared.py b/stac_pydantic/shared.py
index bde66b2..412761a 100644
--- a/stac_pydantic/shared.py
+++ b/stac_pydantic/shared.py
@@ -44,6 +44,7 @@ class MimeTypes(str, Enum):
     html = "text/html"
     text = "text/plain"
     openapi = "application/vnd.oai.openapi+json;version=3.0"
+    jsonschema = "application/schema+json"
 
 
 class AssetRoles(str, AutoValueEnum):