diff --git a/scrapy/utils/boto.py b/scrapy/utils/boto.py
index 085ee7d25..7b18b6bcf 100644
--- a/scrapy/utils/boto.py
+++ b/scrapy/utils/boto.py
@@ -8,3 +8,12 @@ def is_botocore_available():
         return True
     except ImportError:
         return False
+
+
+def is_boto3_available():
+    try:
+        import boto3  # noqa: F401
+
+        return True
+    except ImportError:
+        return False