diff --git a/cli/src/pcluster/schemas/cluster_schema.py b/cli/src/pcluster/schemas/cluster_schema.py
index d1180486a6..f239bf3f35 100644
--- a/cli/src/pcluster/schemas/cluster_schema.py
+++ b/cli/src/pcluster/schemas/cluster_schema.py
@@ -413,7 +413,7 @@ class FsxLustreSettingsSchema(BaseSchema):
         metadata={"update_policy": UpdatePolicy.SUPPORTED},
     )
     automatic_backup_retention_days = fields.Int(
-        validate=validate.Range(min=0, max=35), metadata={"update_policy": UpdatePolicy.SUPPORTED}
+        validate=validate.Range(min=0, max=90), metadata={"update_policy": UpdatePolicy.SUPPORTED}
     )
     copy_tags_to_backups = fields.Bool(metadata={"update_policy": UpdatePolicy.UNSUPPORTED})
     daily_automatic_backup_start_time = fields.Str(
diff --git a/cli/tests/pcluster/schemas/test_schema_validators.py b/cli/tests/pcluster/schemas/test_schema_validators.py
index 6f8f41abc9..69b912141f 100644
--- a/cli/tests/pcluster/schemas/test_schema_validators.py
+++ b/cli/tests/pcluster/schemas/test_schema_validators.py
@@ -457,7 +457,7 @@ def test_efs_throughput_mode_provisioned_throughput_validator(section_dict, expe
         ({"AutomaticBackupRetentionDays": ""}, "Not a valid integer"),
         ({"AutomaticBackupRetentionDays": 0}, None),
         ({"AutomaticBackupRetentionDays": 35}, None),
-        ({"AutomaticBackupRetentionDays": 36}, "Must be.*less than or equal to 35"),
+        ({"AutomaticBackupRetentionDays": 91}, "Must be.*less than or equal to 90"),
         ({"CopyTagsToBackups": ""}, "Not a valid boolean"),
         ({"CopyTagsToBackups": "NONE"}, "Not a valid boolean"),
         ({"CopyTagsToBackups": True}, None),