diff --git a/requirements.txt b/requirements.txt
index 82d5bad7..3c5a1d9b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 schematics~=2.1.1
 pyyaml~=6.0.2
-fuzzywuzzy~=0.18.0
+thefuzz~=0.22.1
 pluralizer~=1.2.0
 lxml>=5.0.0
 flask~=3.0.3
@@ -12,6 +12,5 @@ MarkupSafe>=2.1.5
 jsonschema~=4.23.0
 click~=8.1.2
 setuptools>=78.1.1
-python-Levenshtein
 azure-mgmt-core
 azdev
diff --git a/src/aaz_dev/swagger/model/specs/_resource.py b/src/aaz_dev/swagger/model/specs/_resource.py
index 98a3fc5c..efbce1e4 100644
--- a/src/aaz_dev/swagger/model/specs/_resource.py
+++ b/src/aaz_dev/swagger/model/specs/_resource.py
@@ -4,7 +4,7 @@
 import os
 import re
 
-from fuzzywuzzy import fuzz
+from thefuzz import fuzz
 
 from command.model.configuration import CMDResource
 from ._utils import map_path_2_repo
@@ -62,9 +62,11 @@ def get_operation_group_name(self):
         if len(operation_groups) == 1:
             return operation_groups.pop()
 
+        # use the name which is closest to resource_id. resource_id is lower case, so compare
+        # case-insensitively, and break ties by length then name so the choice is deterministic.
         op_group_name = sorted(
             operation_groups,
-            key=lambda nm: fuzz.partial_ratio(self.id, nm),  # use the name which is closest to resource_id
+            key=lambda nm: (fuzz.partial_ratio(self.id, nm.lower()), len(nm), nm),
             reverse=True
         )[0]
         setattr(self, "_op_group_name", op_group_name)