diff --git a/data/formats-data.js b/data/formats-data.js
index 157d97812e..a7d81a2c8f 100644
--- a/data/formats-data.js
+++ b/data/formats-data.js
@@ -4217,7 +4217,7 @@ exports.BattleFormatsData = {
 	},
 	gurdurr: {
 		randomBattleMoves: ["bulkup", "machpunch", "drainpunch", "icepunch", "knockoff"],
-		tier: "NU",
+		tier: "RU",
 	},
 	conkeldurr: {
 		randomBattleMoves: ["bulkup", "drainpunch", "icepunch", "knockoff", "machpunch"],