diff --git a/mappings/net/minecraft/entity/LivingEntity.mapping b/mappings/net/minecraft/entity/LivingEntity.mapping
index 53c50619dd..9cb5d13433 100644
--- a/mappings/net/minecraft/entity/LivingEntity.mapping
+++ b/mappings/net/minecraft/entity/LivingEntity.mapping
@@ -199,6 +199,7 @@ CLASS net/minecraft/class_1309 net/minecraft/entity/LivingEntity
 	METHOD method_29504 isDead ()Z
 	METHOD method_29505 setAttacking (Lnet/minecraft/class_1657;)V
 		ARG 1 attacking
+	METHOD method_29920 shouldSwimInFluids ()Z
 	METHOD method_5973 canTarget (Lnet/minecraft/class_1299;)Z
 		ARG 1 type
 	METHOD method_5989 getLootTable ()Lnet/minecraft/class_2960;