diff --git a/Cargo.lock b/Cargo.lock
index beaf2a996..97abdc5db 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2453,7 +2453,7 @@ dependencies = [
 
 [[package]]
 name = "mountpoint-s3"
-version = "1.9.0"
+version = "1.9.1"
 dependencies = [
  "anyhow",
  "assert_cmd",
diff --git a/mountpoint-s3/CHANGELOG.md b/mountpoint-s3/CHANGELOG.md
index 51fe099d0..85c85d48f 100644
--- a/mountpoint-s3/CHANGELOG.md
+++ b/mountpoint-s3/CHANGELOG.md
@@ -1,5 +1,7 @@
 ## Unreleased
 
+## v1.9.1 (September 19, 2024)
+
 ### Other changes
 
 * Add AWS ISO partitions to STS credential provider. ([awslabs/aws-c-auth#253](https://github.com/awslabs/aws-c-auth/pull/253))
diff --git a/mountpoint-s3/Cargo.toml b/mountpoint-s3/Cargo.toml
index 2dca16086..6b3b7e942 100644
--- a/mountpoint-s3/Cargo.toml
+++ b/mountpoint-s3/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mountpoint-s3"
-version = "1.9.0"
+version = "1.9.1"
 edition = "2021"
 license = "Apache-2.0"
 publish = false