diff --git a/src/schema/my_core.yaml b/src/schema/my_core.yaml
index 69fa70b..30662da 100644
--- a/src/schema/my_core.yaml
+++ b/src/schema/my_core.yaml
@@ -6,7 +6,7 @@ imports:
 - biolinkml:types
 prefixes:
   biolinkml: https://w3id.org/biolink/biolinkml/
-  my_core: https://w3id.org/mixs/my_core/
+  my_core: https://w3id.org/my_schema/my_core/
 default_prefix: my_core
 
 slots:
diff --git a/src/schema/my_schema.yaml b/src/schema/my_schema.yaml
index 9e99542..085007e 100644
--- a/src/schema/my_schema.yaml
+++ b/src/schema/my_schema.yaml
@@ -7,7 +7,7 @@ imports:
  - my_core
 prefixes:
   biolinkml: https://w3id.org/biolink/biolinkml/
-  my_schema: https://w3id.org/mixs/my_schema/
+  my_schema: https://w3id.org/my_schema/my_schema/
 default_prefix: my_schema
 
 slots: