diff --git a/bot/data/polymarket.py b/bot/data/polymarket.py
index 8092104..631d7e5 100644
--- a/bot/data/polymarket.py
+++ b/bot/data/polymarket.py
@@ -42,7 +42,7 @@ _US_STATE_RE = re.compile(
     r"West\s+Virginia|Wisconsin|Wyoming)\b",
     re.IGNORECASE,
 )
-_PARTY_RE = re.compile(r"\b(Republican|Democrats?|Democratic|GOP)\b", re.IGNORECASE)
+_PARTY_RE = re.compile(r"\b(Republicans?|Democrats?|Democratic|GOP)\b", re.IGNORECASE)
 _ELECTION_TYPE_RE = re.compile(
     r"\b(presidential|president|mayoral|mayor|gubernatorial|governor|"
     r"senate|congress(?:ional)?|primary|election)\b",