diff --git a/spacy/language.py b/spacy/language.py
index f2303c10c..3a86f1b9b 100644
--- a/spacy/language.py
+++ b/spacy/language.py
@@ -1214,7 +1214,7 @@ class Language:
                     examples,
                 ):
                     eg.predicted = doc
-        return losses
+        return _replace_numpy_floats(losses)
 
     def rehearse(
         self,
@@ -1465,7 +1465,7 @@ class Language:
         results = scorer.score(examples, per_component=per_component)
         n_words = sum(len(eg.predicted) for eg in examples)
         results["speed"] = n_words / (end_time - start_time)
-        return results
+        return _replace_numpy_floats(results)
 
     def create_optimizer(self):
         """Create an optimizer, usually using the [training.optimizer] config."""