diff --git a/parsers/monarchkg/src/loadMonarchKG.py b/parsers/monarchkg/src/loadMonarchKG.py
index 2417cb2f..73b4ee10 100644
--- a/parsers/monarchkg/src/loadMonarchKG.py
+++ b/parsers/monarchkg/src/loadMonarchKG.py
@@ -2,11 +2,12 @@
 import os
 import tarfile
 import orjson
+import requests
 
 from Common.loader_interface import SourceDataLoader
 from Common.kgxmodel import kgxedge
 from Common.biolink_constants import *
-from Common.utils import GetData
+from Common.utils import GetData, GetDataPullError
 
 
 ##############
@@ -29,7 +30,7 @@ def __init__(self, test_mode: bool = False, source_data_dir: str = None):
 
         # there is a /latest/ for this url, but without a valid get_latest_source_version function,
         # it could create a mismatch, pin to this version for now
-        self.data_url = 'https://data.monarchinitiative.org/monarch-kg-dev/2024-03-18/'
+        self.data_url = 'https://data.monarchinitiative.org/monarch-kg-dev/latest/'
         self.monarch_graph_archive = 'monarch-kg.jsonl.tar.gz'
         self.monarch_edge_file_archive_path = 'monarch-kg_edges.jsonl'
         self.data_files = [self.monarch_graph_archive]
@@ -63,9 +64,17 @@ def __init__(self, test_mode: bool = False, source_data_dir: str = None):
         }
 
     def get_latest_source_version(self) -> str:
-        # possible to retrieve from /latest/index.html with beautifulsoup or some html parser but not ideal,
-        # planning to try to set up a better method with owners
-        latest_version = '2024-03-18'
+        """
+        Gets the name of latest monarch kg version from metadata. 
+        """
+        latest_version = None
+        try:
+            metadata_yaml : requests.Response = requests.get("https://data.monarchinitiative.org/monarch-kg-dev/latest/metadata.yaml")
+            for line in metadata_yaml.text.split('\n'):
+                if("kg-version:" in line): latest_version = line.replace("kg-version:","").strip()
+            if(latest_version==None):raise ValueError("Cannot find 'kg-version' in Monarch KG metadata yaml.")
+        except Exception as e:
+            raise GetDataPullError(error_message=f'Unable to determine latest version for Monarch KG: {e}')
         return latest_version
 
     def get_data(self) -> bool:
@@ -85,6 +94,10 @@ def parse_data(self) -> dict:
         skipped_ignore_knowledge_source = 0
         skipped_undesired_predicate = 0
         full_tar_path = os.path.join(self.data_path, self.monarch_graph_archive)
+        protected_edge_labels = [SUBJECT_ID, OBJECT_ID, PREDICATE,PRIMARY_KNOWLEDGE_SOURCE,
+                                 AGGREGATOR_KNOWLEDGE_SOURCES, KNOWLEDGE_LEVEL, AGENT_TYPE,
+                                 PUBLICATIONS, "biolink:primary_knowledge_source", "biolink:aggregator_knowledge_source"]
+
         with tarfile.open(full_tar_path, 'r') as tar_files:
             with tar_files.extractfile(self.monarch_edge_file_archive_path) as edges_file:
                 for line in edges_file:
@@ -116,13 +129,14 @@ def parse_data(self) -> dict:
                         KNOWLEDGE_LEVEL: monarch_edge[KNOWLEDGE_LEVEL] if KNOWLEDGE_LEVEL in monarch_edge else NOT_PROVIDED,
                         AGENT_TYPE: monarch_edge[AGENT_TYPE] if AGENT_TYPE in monarch_edge else NOT_PROVIDED
                     }
+
                     if monarch_edge[PUBLICATIONS]:
                         edge_properties[PUBLICATIONS] = monarch_edge[PUBLICATIONS]
+
                     for edge_attribute in monarch_edge:
-                        if '_qualifier' in edge_attribute and monarch_edge[edge_attribute]:
+                        if edge_attribute not in protected_edge_labels and monarch_edge[edge_attribute]:
                             edge_properties[edge_attribute] = monarch_edge[edge_attribute]
-                        elif edge_attribute == QUALIFIED_PREDICATE and monarch_edge[QUALIFIED_PREDICATE]:
-                            edge_properties[QUALIFIED_PREDICATE] = monarch_edge[QUALIFIED_PREDICATE]
+
                     output_edge = kgxedge(
                         subject_id=subject_id,
                         predicate=predicate,