diff --git a/crates/bevy_ecs/Cargo.toml b/crates/bevy_ecs/Cargo.toml
index 81ccaee3c650d..3a0e4dc9438e1 100644
--- a/crates/bevy_ecs/Cargo.toml
+++ b/crates/bevy_ecs/Cargo.toml
@@ -25,7 +25,7 @@ bevy_ecs_macros = { path = "macros", version = "0.4.0" }
 
 async-channel = "1.4"
 bitflags = "1.2"
-fixedbitset = "0.3"
+fixedbitset = "0.4"
 fxhash = "0.2"
 thiserror = "1.0"
 downcast-rs = "1.2"