diff --git a/python/sparknlp/annotator.py b/python/sparknlp/annotator.py
index <HASH>..<HASH> 100755
--- a/python/sparknlp/annotator.py
+++ b/python/sparknlp/annotator.py
@@ -235,6 +235,17 @@ class Normalizer(AnnotatorApproach):
 
 
 class NormalizerModel(AnnotatorModel):
+
+    patterns = Param(Params._dummy(),
+                     "patterns",
+                     "normalization regex patterns which match will be replaced with a space",
+                     typeConverter=TypeConverters.toListString)
+
+    lowercase = Param(Params._dummy(),
+                      "lowercase",
+                      "whether to convert strings to lowercase")
+
+    @keyword_only
     def __init__(self, java_model=None):
         if java_model:
             super(JavaModel, self).__init__(java_model)
Added missing normalizer python params