diff --git a/scrapy/utils/decorator.py b/scrapy/utils/decorator.py
new file mode 100644
index 000000000..e8c8eae39
--- /dev/null
+++ b/scrapy/utils/decorator.py
@@ -0,0 +1,7 @@
+import warnings
+from scrapy.exceptions import ScrapyDeprecationWarning
+warnings.warn("Module `scrapy.utils.decorator` is deprecated, "
+              "use `scrapy.utils.decorators` instead",
+              ScrapyDeprecationWarning, stacklevel=2)
+
+from scrapy.utils.decorators import *