diff --git a/eth2/types/src/voluntary_exit.rs b/eth2/types/src/voluntary_exit.rs
index 5fdfcdd82..f64f950cb 100644
--- a/eth2/types/src/voluntary_exit.rs
+++ b/eth2/types/src/voluntary_exit.rs
@@ -8,7 +8,7 @@ use test_random_derive::TestRandom;
 
 /// An exit voluntarily submitted a validator who wishes to withdraw.
 ///
-/// Spec v0.4.0
+/// Spec v0.5.0
 #[derive(
     Debug,
     PartialEq,