diff --git a/CHANGELOG.md b/CHANGELOG.md
index de2cb35..5edd7a5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,35 @@
+# v1.21.0
+
+## Features
+
+- Add support for minutes and hours in `--time-unit`, as well as short and plural aliases such as `ms`, `seconds`, and `min`, see #960 (@sharkdp)
+- Expose `$HYPERFINE_ITERATION` to `--prepare` and `--conclude` commands, see #781 and #807 (@willcl-ark)
+- Show elapsed time during the initial benchmark run, see #416 and #581 (@devonhollowood)
+- Add colors to `--help` output, see #841 (@starsep)
+
+## Changes
+
+- Format times in CSV exports with six decimal places, see #966 and #972 (@sharkdp)
+- Update dependencies and raise the minimum supported Rust version to 1.97, see #934 (@sharkdp)
+
+## Bugfixes
+
+- Reject zero values for `--runs`, `--min-runs`, and `--max-runs` instead of allowing invalid run counts, see #923 (@VXNCXNX, @sharkdp)
+- Reject negative parameter-scan steps before expanding ranges, avoiding hangs and excessive memory use, see #951 (@Likio3000)
+- Preserve existing export files when command options are invalid, see #950 (@Likio3000)
+- Truncate export files when rewriting results to avoid leaving trailing bytes, see #970 (@sharkdp)
+- Preserve backticks in command names in Markdown exports, see #947 (@Likio3000)
+- Handle broken output pipes gracefully instead of panicking, see #932 (@Mathjk)
+- Collect peak memory usage separately for each command on Unix, so commands no longer inherit the peak memory usage of earlier commands, see #965 (@sharkdp)
+- Preserve 100-nanosecond precision in Windows CPU times, see #964 (@sharkdp)
+- Python scripts: Correct the interpretation of Welch's t-test results, see #943 (@sharkdp)
+
+## Other
+
+- Build binaries for Windows ARM64 and Linux ARM64 musl, see #922 and #924 (@meop)
+- Refactor measurement, statistics, and formatting code to use typed quantities, see #954, #958, #961, #967, #969, #971, and #976 (@sharkdp)
+- Improve documentation and examples, including comparisons across Git branches, iteration variables, reference commands, and selective failure handling, see #899, #900, #929, and #940 (@xfocus3, @ded-furby, @Likio3000, @sharkdp)
+
 # v1.20.0
 
 ## Features
diff --git a/CITATION.cff b/CITATION.cff
index 96b1e68..3bccc3f 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -13,5 +13,5 @@ authors:
 repository-code: 'https://github.com/sharkdp/hyperfine'
 abstract: A command-line benchmarking tool.
 license: MIT
-version: 1.20.0
-date-released: '2025-11-18'
+version: 1.21.0
+date-released: '2026-10-05'
diff --git a/Cargo.lock b/Cargo.lock
index 5b93f7a..0010ab9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -371,7 +371,7 @@ checksum = "ed5909b6e89a2db4456e54cd5f673791d7eca6732202bbf2a9cc504fe2f9b84a"
 
 [[package]]
 name = "hyperfine"
-version = "1.20.0"
+version = "1.21.0"
 dependencies = [
  "anyhow",
  "approx",
diff --git a/Cargo.toml b/Cargo.toml
index cf2050b..e0e33e0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT OR Apache-2.0"
 name = "hyperfine"
 readme = "README.md"
 repository = "https://github.com/sharkdp/hyperfine"
-version = "1.20.0"
+version = "1.21.0"
 edition = "2018"
 build = "build.rs"
 rust-version = "1.97.0"
diff --git a/README.md b/README.md
index ca4f06c..dc6d655 100644
--- a/README.md
+++ b/README.md
@@ -188,8 +188,8 @@ apt install hyperfine
 
 Alternatively, for the latest version, you can download the appropriate `.deb` package from the [Release page](https://github.com/sharkdp/hyperfine/releases) and install it via `dpkg`:
 ```
-wget https://github.com/sharkdp/hyperfine/releases/download/v1.20.0/hyperfine_1.20.0_amd64.deb
-sudo dpkg -i hyperfine_1.20.0_amd64.deb
+wget https://github.com/sharkdp/hyperfine/releases/download/v1.21.0/hyperfine_1.21.0_amd64.deb
+sudo dpkg -i hyperfine_1.21.0_amd64.deb
 ```
 
 ### On Fedora