diff --git a/Cargo.toml b/Cargo.toml
index aaf54ba..a2913b9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "once_map"
-version = "0.4.12"
+version = "0.4.13"
 edition = "2021"
 rust-version = "1.63"
 license = "MIT OR Apache-2.0"