diff --git a/goodtables/VERSION b/goodtables/VERSION
index eca07e4c1a..ac2cdeba01 100644
--- a/goodtables/VERSION
+++ b/goodtables/VERSION
@@ -1 +1 @@
-2.1.2
+2.1.3
diff --git a/goodtables/checks/duplicate_header.py b/goodtables/checks/duplicate_header.py
index a915c9b967..483d8e2cef 100644
--- a/goodtables/checks/duplicate_header.py
+++ b/goodtables/checks/duplicate_header.py
@@ -33,7 +33,7 @@ def duplicate_header(cells, sample=None):
             continue
 
         header_indexes_list = sorted(header_indexes)
-        first_header_index, other_header_indexes = header_indexes_list[0], header_indexes_list[1:]
+        first_header_index, other_header_indexes = header_indexes_list[0], header_indexes_list[1:]  # noqa
         for other_header_index in other_header_indexes:
             duplicates = header_indexes - {other_header_index}
             message_substitutions = {