diff --git a/vibrato/Cargo.toml b/vibrato/Cargo.toml
index cf96fdb..80489d0 100644
--- a/vibrato/Cargo.toml
+++ b/vibrato/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "vibrato"
 # NOTE(kampersanda): Developers should check compatibility with MODEL_MAGIC in dictionary.rs.
-version = "0.5.0"
+version = "0.5.1"
 edition = "2021"
 rust-version = "1.65"
 authors = [