diff --git a/.pre-commit-entry.sh b/.pre-commit-entry.sh
index 9bb713b0..b48a02e7 100755
--- a/.pre-commit-entry.sh
+++ b/.pre-commit-entry.sh
@@ -20,7 +20,7 @@ echo INFO: building Alejandra
 nix-build \
   --attr ${system} \
   --out-link result-alejandra \
-  https://github.com/kamadorueda/alejandra/tarball/1.3.0
+  https://github.com/kamadorueda/alejandra/tarball/1.4.0
 
 echo INFO: running Alejandra:
 result-alejandra/bin/alejandra -- -q "${@}"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e3aa624..a59fb432 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,12 @@ Types of changes
 - Security in case of vulnerabilities.
 -->
 
+## [1.4.0] - 2022-05-19
+
+### Added
+
+- A pre-commit hook (requires Alejandra to be installed in the host).
+
 ## [1.3.0] - 2022-05-09
 
 ### Added
@@ -553,7 +559,8 @@ Types of changes
 
 ---
 
-[unreleased]: https://github.com/kamadorueda/alejandra/compare/1.3.0...HEAD
+[unreleased]: https://github.com/kamadorueda/alejandra/compare/1.4.0...HEAD
+[1.4.0]: https://github.com/kamadorueda/alejandra/compare/1.3.0...1.4.0
 [1.3.0]: https://github.com/kamadorueda/alejandra/compare/1.2.0...1.3.0
 [1.2.0]: https://github.com/kamadorueda/alejandra/compare/1.1.0...1.2.0
 [1.1.0]: https://github.com/kamadorueda/alejandra/compare/1.0.0...1.1.0
diff --git a/Cargo.lock b/Cargo.lock
index 3ca66d0e..2accbb84 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,7 +4,7 @@ version = 3
 
 [[package]]
 name = "alejandra_cli"
-version = "1.3.0"
+version = "1.4.0"
 dependencies = [
  "alejandra_engine",
  "atty",
@@ -18,7 +18,7 @@ dependencies = [
 
 [[package]]
 name = "alejandra_engine"
-version = "1.3.0"
+version = "1.4.0"
 dependencies = [
  "mimalloc",
  "rnix",
diff --git a/README.md b/README.md
index 68cfcd1f..22f31cb6 100644
--- a/README.md
+++ b/README.md
@@ -106,7 +106,7 @@
     ```yaml
     repos:
       - repo: https://github.com/kamadorueda/alejandra
-        rev: 1.3.0
+        rev: 1.4.0
         hooks:
           # Choose one of the following:
           - id: alejandra # Requires Nix to be previously installed in the system
@@ -124,11 +124,11 @@ Please visit:
 
 You can download a binary for your platform:
 
-- [aarch64-unknown-linux-musl](https://github.com/kamadorueda/alejandra/releases/download/1.3.0/alejandra-aarch64-unknown-linux-musl)
-- [armv6l-unknown-linux-musleabihf](https://github.com/kamadorueda/alejandra/releases/download/1.3.0/alejandra-armv6l-unknown-linux-musleabihf)
-- [armv7l-unknown-linux-musleabihf](https://github.com/kamadorueda/alejandra/releases/download/1.3.0/alejandra-armv7l-unknown-linux-musleabihf)
-- [i686-unknown-linux-musl](https://github.com/kamadorueda/alejandra/releases/download/1.3.0/alejandra-i686-unknown-linux-musl)
-- [x86_64-unknown-linux-musl](https://github.com/kamadorueda/alejandra/releases/download/1.3.0/alejandra-x86_64-unknown-linux-musl)
+- [aarch64-unknown-linux-musl](https://github.com/kamadorueda/alejandra/releases/download/1.4.0/alejandra-aarch64-unknown-linux-musl)
+- [armv6l-unknown-linux-musleabihf](https://github.com/kamadorueda/alejandra/releases/download/1.4.0/alejandra-armv6l-unknown-linux-musleabihf)
+- [armv7l-unknown-linux-musleabihf](https://github.com/kamadorueda/alejandra/releases/download/1.4.0/alejandra-armv7l-unknown-linux-musleabihf)
+- [i686-unknown-linux-musl](https://github.com/kamadorueda/alejandra/releases/download/1.4.0/alejandra-i686-unknown-linux-musl)
+- [x86_64-unknown-linux-musl](https://github.com/kamadorueda/alejandra/releases/download/1.4.0/alejandra-x86_64-unknown-linux-musl)
 
 Make it executable (`$ chmod +x`)
 and run Alejandra with:
@@ -152,7 +152,7 @@ Please visit: [search.nixos.org/packages?query=alejandra](https://search.nixos.o
 - Nix with [Flakes](https://nixos.wiki/wiki/Flakes):
 
   ```bash
-  $ nix profile install github:kamadorueda/alejandra/1.3.0
+  $ nix profile install github:kamadorueda/alejandra/1.4.0
   ```
 
 - Nix stable:
@@ -160,11 +160,11 @@ Please visit: [search.nixos.org/packages?query=alejandra](https://search.nixos.o
   Pick one depending on your platform:
 
   ```bash
-  $ nix-env -ivA aarch64-darwin -f https://github.com/kamadorueda/alejandra/tarball/1.3.0
-  $ nix-env -ivA aarch64-linux -f https://github.com/kamadorueda/alejandra/tarball/1.3.0
-  $ nix-env -ivA i686-linux -f https://github.com/kamadorueda/alejandra/tarball/1.3.0
-  $ nix-env -ivA x86_64-darwin -f https://github.com/kamadorueda/alejandra/tarball/1.3.0
-  $ nix-env -ivA x86_64-linux -f https://github.com/kamadorueda/alejandra/tarball/1.3.0
+  $ nix-env -ivA aarch64-darwin -f https://github.com/kamadorueda/alejandra/tarball/1.4.0
+  $ nix-env -ivA aarch64-linux -f https://github.com/kamadorueda/alejandra/tarball/1.4.0
+  $ nix-env -ivA i686-linux -f https://github.com/kamadorueda/alejandra/tarball/1.4.0
+  $ nix-env -ivA x86_64-darwin -f https://github.com/kamadorueda/alejandra/tarball/1.4.0
+  $ nix-env -ivA x86_64-linux -f https://github.com/kamadorueda/alejandra/tarball/1.4.0
   ```
 
 Then run Alejandra with:
@@ -182,7 +182,7 @@ $ alejandra --help
     inputs = {
       nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
 
-      alejandra.url = "github:kamadorueda/alejandra/1.3.0";
+      alejandra.url = "github:kamadorueda/alejandra/1.4.0";
       alejandra.inputs.nixpkgs.follows = "nixpkgs";
     };
 
@@ -212,7 +212,7 @@ $ alejandra --help
   let
     alejandra =
       (import (builtins.fetchTarball {
-        url = "https://github.com/kamadorueda/alejandra/tarball/1.3.0";
+        url = "https://github.com/kamadorueda/alejandra/tarball/1.4.0";
         sha256 = "0000000000000000000000000000000000000000000000000000";
       }))
       # Pick one from: aarch64-darwin, aarch64-linux, i686-linux, x86_64-darwin, x86_64-linux
diff --git a/flake.nix b/flake.nix
index 142716ef..da25b521 100644
--- a/flake.nix
+++ b/flake.nix
@@ -11,7 +11,7 @@
   outputs = inputs: let
     commit = inputs.self.shortRev or "dirty";
     date = inputs.self.lastModifiedDate or inputs.self.lastModified or "19700101";
-    version = "1.3.0+${builtins.substring 0 8 date}.${commit}";
+    version = "1.4.0+${builtins.substring 0 8 date}.${commit}";
 
     nixpkgsForHost = host:
       import inputs.nixpkgs {
diff --git a/front/Cargo.lock b/front/Cargo.lock
index feff16e2..e9b6a813 100644
--- a/front/Cargo.lock
+++ b/front/Cargo.lock
@@ -4,7 +4,7 @@ version = 3
 
 [[package]]
 name = "alejandra_engine"
-version = "1.3.0"
+version = "1.4.0"
 dependencies = [
  "mimalloc",
  "rnix",
@@ -13,7 +13,7 @@ dependencies = [
 
 [[package]]
 name = "alejandra_front"
-version = "1.3.0"
+version = "1.4.0"
 dependencies = [
  "alejandra_engine",
  "console_error_panic_hook",
diff --git a/front/Cargo.toml b/front/Cargo.toml
index 6a502b49..1370a4a4 100644
--- a/front/Cargo.toml
+++ b/front/Cargo.toml
@@ -13,7 +13,7 @@ description = "The Uncompromising Nix Code Formatter"
 edition = "2021"
 name = "alejandra_front"
 repository = "https://github.com/kamadorueda/alejandra"
-version = "1.3.0"
+version = "1.4.0"
 
 [profile.release]
 lto = true
diff --git a/integrations/vscode/package.json b/integrations/vscode/package.json
index 3881ba0c..c0796587 100644
--- a/integrations/vscode/package.json
+++ b/integrations/vscode/package.json
@@ -65,5 +65,5 @@
     "type": "git",
     "url": "https://github.com/kamadorueda/alejandra"
   },
-  "version": "1.3.0"
+  "version": "1.4.0"
 }
diff --git a/src/alejandra_cli/Cargo.toml b/src/alejandra_cli/Cargo.toml
index 5b11ddef..8c45b9ca 100644
--- a/src/alejandra_cli/Cargo.toml
+++ b/src/alejandra_cli/Cargo.toml
@@ -19,4 +19,4 @@ edition = "2021"
 license = "Unlicense"
 name = "alejandra_cli"
 repository = "https://github.com/kamadorueda/alejandra"
-version = "1.3.0"
+version = "1.4.0"
diff --git a/src/alejandra_engine/Cargo.toml b/src/alejandra_engine/Cargo.toml
index a991160f..81ae3f4b 100644
--- a/src/alejandra_engine/Cargo.toml
+++ b/src/alejandra_engine/Cargo.toml
@@ -33,4 +33,4 @@ edition = "2021"
 license = "Unlicense"
 name = "alejandra_engine"
 repository = "https://github.com/kamadorueda/alejandra"
-version = "1.3.0"
+version = "1.4.0"
diff --git a/src/alejandra_engine/src/version.rs b/src/alejandra_engine/src/version.rs
index 9397951c..48a0e4cb 100644
--- a/src/alejandra_engine/src/version.rs
+++ b/src/alejandra_engine/src/version.rs
@@ -1 +1 @@
-pub const VERSION: &str = "1.3.0";
+pub const VERSION: &str = "1.4.0";