diff --git a/Cargo.toml b/Cargo.toml
index 22d423e..2feadb4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "machine-prime"
-version = "1.5.3"
+version = "1.5.5"
 edition = "2021"
 author = ["JASory jasory@rust-cas.org"]
 description = "ne plus ultra primality testing for machine-sized integers"