diff --git a/.github/workflows/generate_other_formats.yaml b/.github/workflows/generate_other_formats.yaml
index 9e1fefd59..7a75e2a0a 100644
--- a/.github/workflows/generate_other_formats.yaml
+++ b/.github/workflows/generate_other_formats.yaml
@@ -32,7 +32,7 @@ jobs:
         continue-on-error: true
         run: |
           gen-json-schema linkml-schema/reproschema.yaml > autogenerated-schema/reproschema.json;
-          gen-pydantic linkml-schema/reproschema.yaml > autogenerated-schema/reproschema.py;
+          gen-pydantic --pydantic-version 2 linkml-schema/reproschema.yaml > autogenerated-schema/reproschema.py;
           #gen-shacl linkml-schema/reproschema.yaml > autogenerated-schema/reproschema.shacl.ttl;
           gen-erdiagram linkml-schema/reproschema.yaml > autogenerated-schema/reproschema.md;