diff --git a/Cargo.lock b/Cargo.lock
index 18cd3fee..35531c45 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -39,7 +39,7 @@ version = "0.12.1"
 dependencies = [
  "hex-literal 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hybrid-array",
- "zeroize 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "zeroize 1.9.0",
 ]
 
 [[package]]
@@ -413,7 +413,7 @@ name = "sponge-cursor"
 version = "0.1.0"
 dependencies = [
  "keccak",
- "zeroize 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "zeroize 1.9.0",
 ]
 
 [[package]]
@@ -547,17 +547,17 @@ dependencies = [
 [[package]]
 name = "zeroize"
 version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e13c156562582aa81c60cb29407084cdb54c4164760106ab78e6c5b0858cf64e"
+
+[[package]]
+name = "zeroize"
+version = "1.9.1"
 dependencies = [
  "serde",
  "zeroize_derive",
 ]
 
-[[package]]
-name = "zeroize"
-version = "1.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e13c156562582aa81c60cb29407084cdb54c4164760106ab78e6c5b0858cf64e"
-
 [[package]]
 name = "zeroize_derive"
 version = "1.5.0"
diff --git a/zeroize/CHANGELOG.md b/zeroize/CHANGELOG.md
index d87bf0c0..102b4d08 100644
--- a/zeroize/CHANGELOG.md
+++ b/zeroize/CHANGELOG.md
@@ -4,11 +4,21 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## 1.9.1 (UNRELEASED)
+## 1.9.1 (2026-10-06)
+### Changed
+- Replace `Zeroizing`'s derived `Debug` with opaque impl ([#1497])
+
+### Removed
+- Internal use of `optimization_barrier` ([#1535])
+
 ### Fixed
+- Avoid double-zeroizing `Vec`'s initialized elements ([#1525])
 - False positive failures in proxy allocator test ([#1538])
 - Potential uninitialized memory read in fallback code used by `optimization_barrier` ([#1551])
 
+[#1497]: https://github.com/RustCrypto/utils/pull/1497
+[#1525]: https://github.com/RustCrypto/utils/pull/1525
+[#1535]: https://github.com/RustCrypto/utils/pull/1535
 [#1538]: https://github.com/RustCrypto/utils/pull/1538
 [#1551]: https://github.com/RustCrypto/utils/pull/1551
 
diff --git a/zeroize/Cargo.toml b/zeroize/Cargo.toml
index c0d6884d..54c553a2 100644
--- a/zeroize/Cargo.toml
+++ b/zeroize/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "zeroize"
-version = "1.9.0"
+version = "1.9.1"
 authors = ["The RustCrypto Project Developers"]
 edition = "2024"
 rust-version = "1.85"