diff --git a/src/ga4gh/vrs/extras/vcf_annotation.py b/src/ga4gh/vrs/extras/vcf_annotation.py
index d0748bdf..0d413175 100644
--- a/src/ga4gh/vrs/extras/vcf_annotation.py
+++ b/src/ga4gh/vrs/extras/vcf_annotation.py
@@ -28,7 +28,7 @@
 _logger.setLevel(logging.DEBUG)
 
 
-class VCFAnnotatorException(Exception):  # noqa: N818
+class VCFAnnotatorError(Exception):
     """Custom exceptions for VCF Annotator tool"""
 
 
@@ -291,7 +291,7 @@ def annotate(
         """
         if not any((vcf_out, vrs_pickle_out)):
             msg = "Must provide one of: `vcf_out` or `vrs_pickle_out`"
-            raise VCFAnnotatorException(msg)
+            raise VCFAnnotatorError(msg)
 
         info_field_num = "R" if compute_for_ref else "A"
         info_field_desc = "REF and ALT" if compute_for_ref else "ALT"
diff --git a/tests/extras/test_vcf_annotation.py b/tests/extras/test_vcf_annotation.py
index fd034b0b..dc1e7ecf 100644
--- a/tests/extras/test_vcf_annotation.py
+++ b/tests/extras/test_vcf_annotation.py
@@ -7,7 +7,7 @@
 import pytest
 
 from ga4gh.vrs.dataproxy import DataProxyValidationError
-from ga4gh.vrs.extras.vcf_annotation import VCFAnnotator, VCFAnnotatorException
+from ga4gh.vrs.extras.vcf_annotation import VCFAnnotator, VCFAnnotatorError
 
 TEST_DATA_DIR = "tests/extras/data"
 
@@ -160,7 +160,7 @@ def test_annotate_vcf_vcf_only(vcf_annotator, vcr_cassette):
 def test_annotate_vcf_input_validation(vcf_annotator):
     input_vcf = f"{TEST_DATA_DIR}/test_vcf_input.vcf"
 
-    with pytest.raises(VCFAnnotatorException) as e:
+    with pytest.raises(VCFAnnotatorError) as e:
         vcf_annotator.annotate(input_vcf)
     assert str(e.value) == "Must provide one of: `vcf_out` or `vrs_pickle_out`"