diff --git a/Cargo.lock b/Cargo.lock
index ec27bdc1..f1bdeea8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -732,7 +732,7 @@ checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
 
 [[package]]
 name = "prio"
-version = "0.16.3"
+version = "0.16.4"
 dependencies = [
  "aes",
  "assert_matches",
diff --git a/Cargo.toml b/Cargo.toml
index 70103f3e..9321af40 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "prio"
-version = "0.16.3"
+version = "0.16.4"
 authors = ["Josh Aas <jaas@kflag.net>", "Tim Geoghegan <timg@letsencrypt.org>", "Christopher Patton <cpatton@cloudflare.com", "Karl Tarbe <tarbe@apple.com>"]
 edition = "2021"
 exclude = ["/supply-chain"]