diff --git a/.github/workflows/validate.yaml b/.github/workflows/validate.yaml
index 8bf8751f..c0fe7674 100644
--- a/.github/workflows/validate.yaml
+++ b/.github/workflows/validate.yaml
@@ -1,6 +1,6 @@
 name: Validate SDM schemas using Felis
 
-on: push
+on: [push, workflow_dispatch]
 
 jobs:
   validate:
@@ -22,4 +22,4 @@ jobs:
           pip install 'lsst-felis @ git+https://github.com/lsst/felis@main'
 
       - name: Validate YAML files
-        run: felis validate ./yml/*.yaml
+        run: felis validate --check-redundant-datatypes ./yml/*.yaml