diff --git a/code/ARAX/BiolinkHelper/biolink_helper.py b/code/ARAX/BiolinkHelper/biolink_helper.py
index 1e434f60a..7269a1846 100644
--- a/code/ARAX/BiolinkHelper/biolink_helper.py
+++ b/code/ARAX/BiolinkHelper/biolink_helper.py
@@ -26,6 +26,9 @@ def __init__(self, biolink_version: Optional[str] = None, is_test: bool = False)
         eprint(f"{timestamp}: DEBUG: In BiolinkHelper init")
 
         self.biolink_version = biolink_version if biolink_version else self.get_current_arax_biolink_version()
+        if self.biolink_version == "4.2.0":
+            print(f"Overriding Biolink version from 4.2.0 to 4.2.1 due to issues with treats predicates in 4.2.0")
+            self.biolink_version = "4.2.1"
         self.root_category = "biolink:NamedThing"
         self.root_predicate = "biolink:related_to"
         self.root_imaginary = "ROOT"