diff --git a/dataikuapi/dss/dataset.py b/dataikuapi/dss/dataset.py
index ea746766..980b0ab1 100644
--- a/dataikuapi/dss/dataset.py
+++ b/dataikuapi/dss/dataset.py
@@ -818,6 +818,15 @@ def add_time_partitioning_dimension(self, dim_name, period="DAY"):
     def add_raw_schema_column(self, column):
         self.settings["schema"]["columns"].append(column)
 
+    def update_string_column_len(self, column, length):
+        """
+        Update the length of a string column in a Dataset schema
+        """
+        columns = self.settings["schema"]["columns"]
+        for c in columns:
+            if c['name'] == column:
+                c['maxLength'] = length
+
     @property
     def is_feature_group(self):
         """