diff --git a/setup.cfg b/setup.cfg
index 20f33762b..0fbad6a85 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -51,7 +51,7 @@ install_requires =
     click
     more_click>=0.1.2
     pydantic
-    curies
+    curies>=0.5.0
 
 zip_safe = false
 include_package_data = True
diff --git a/src/bioregistry/app/impl.py b/src/bioregistry/app/impl.py
index cf6d49af0..9cfb6d19e 100644
--- a/src/bioregistry/app/impl.py
+++ b/src/bioregistry/app/impl.py
@@ -5,6 +5,7 @@
 from textwrap import dedent
 from typing import TYPE_CHECKING, Any, Mapping, Optional, Union
 
+from curies.mapping_service import get_flask_mapping_blueprint
 from flasgger import Swagger
 from flask import Flask
 from flask_bootstrap import Bootstrap4
@@ -169,6 +170,9 @@ def get_app(
     app.register_blueprint(api_blueprint)
     app.register_blueprint(ui_blueprint)
 
+    sparql_blueprint = get_flask_mapping_blueprint(app.manager.converter)
+    app.register_blueprint(sparql_blueprint)
+
     # Make manager available in all jinja templates
     app.jinja_env.globals.update(manager=app.manager, curie_to_str=curie_to_str)
     return app
diff --git a/src/bioregistry/resolve.py b/src/bioregistry/resolve.py
index bc6550984..d407a3105 100644
--- a/src/bioregistry/resolve.py
+++ b/src/bioregistry/resolve.py
@@ -982,7 +982,6 @@ def get_converter(**kwargs) -> curies.Converter:
     return manager.get_converter(**kwargs)
 
 
-@lru_cache(1)
 def get_default_converter() -> curies.Converter:
     """Get a converter from this manager."""
-    return manager.get_converter()
+    return manager.converter
diff --git a/src/bioregistry/resource_manager.py b/src/bioregistry/resource_manager.py
index 05cc7fb9a..e18443508 100644
--- a/src/bioregistry/resource_manager.py
+++ b/src/bioregistry/resource_manager.py
@@ -159,6 +159,15 @@ def __init__(
         self.provided_by = dict(provided_by)
         self.has_parts = dict(has_parts)
 
+        self._converter = None
+
+    @property
+    def converter(self) -> curies.Converter:
+        """Get the default converter."""
+        if self._converter is None:
+            self._converter = curies.Converter(records=self.get_curies_records())
+        return self._converter
+
     def write_registry(self):
         """Write the registry."""
         write_registry(self.registry)