diff --git a/jsonschema/_validators.py b/jsonschema/_validators.py
index 3929599ce..9a07f5ec3 100644
--- a/jsonschema/_validators.py
+++ b/jsonschema/_validators.py
@@ -265,6 +265,9 @@ def dependentRequired(validator, dependentRequired, instance, schema):
 
 
 def dependentSchemas(validator, dependentSchemas, instance, schema):
+    if not validator.is_type(instance, "object"):
+        return
+
     for property, dependency in dependentSchemas.items():
         if property not in instance:
             continue