diff --git a/CHANGELOG.md b/CHANGELOG.md
index daa450e..4d458ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,49 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [2.4.0](https://github.com/InioX/matugen/compare/v2.3.0...v2.4.0) - 2024-08-13
+
+### Added
+- add `pre_hook` and `post_hook`
+- improve error message for color parsing
+- change resize filter to Lanczos3 ([#89](https://github.com/InioX/matugen/pull/89))
+- increase windows stack size to 8mb (fixes [#87](https://github.com/InioX/matugen/pull/87))
+- fix relative paths for templates, format `compare_to` ([#83](https://github.com/InioX/matugen/pull/83))
+- add template formatting for hook ([#83](https://github.com/InioX/matugen/pull/83))
+- add `hook` and variables inside it ([#83](https://github.com/InioX/matugen/pull/83))
+- add color comparsion ([#83](https://github.com/InioX/matugen/pull/83))
+- add `--prefix` argument
+- add `version_check` setting ([#78](https://github.com/InioX/matugen/pull/78))
+
+### Fixed
+- wrong display of alpha channel for `set_alpha` ([#95](https://github.com/InioX/matugen/pull/95))
+- divide all alpha values by 255 for output ([#95](https://github.com/InioX/matugen/pull/95))
+- set_alpha missing a `:` in example ([#95](https://github.com/InioX/matugen/pull/95))
+- make hooks not depend on `colors_to_compare` ([#93](https://github.com/InioX/matugen/pull/93))
+- remove useless debugging
+- update arguments to remove borrow error ([#85](https://github.com/InioX/matugen/pull/85))
+- update syntax in example template ([#77](https://github.com/InioX/matugen/pull/77))
+
+### Other
+- oops bad merge ([#95](https://github.com/InioX/matugen/pull/95))
+- Merge branch 'main' of https://github.com/InioX/matugen
+- add float parameter for `format_hsla` and `format_rgba` ([#95](https://github.com/InioX/matugen/pull/95))
+- update CHANGELOG.md
+- add set_alpha filter example
+- add the set_alpha filter to the engine
+- add format_rgba_float and format_hsla_float functions to format the alpha value as a float instead of u8
+- add set_alpha filter
+- Nix module: add package option
+- Merge branch 'main' of https://github.com/InioX/matugen
+- bump `material-colors` to 0.4.0
+- *(examples)* add note for `custom_colors`
+- rename `compared_color` to `closest_color` ([#83](https://github.com/InioX/matugen/pull/83))
+- separate some stuff into functions
+- format code
+- Merge branch 'main' of https://github.com/InioX/matugen
+- run `cargo fmt`
+- *(readme)* update version badges
+
 ### Added
 - add `set_alpha` filter
 
diff --git a/Cargo.lock b/Cargo.lock
index 76ce943..fdf8710 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1243,7 +1243,7 @@ dependencies = [
 
 [[package]]
 name = "matugen"
-version = "2.3.0"
+version = "2.4.0"
 dependencies = [
  "ahash",
  "clap",
diff --git a/Cargo.toml b/Cargo.toml
index aeada78..8e530f9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "matugen"
-version = "2.3.0"
+version = "2.4.0"
 authors = ["InioX"]
 description = "A material you color generation tool with templates"
 repository = "https://github.com/InioX/matugen"
diff --git a/example/config.toml b/example/config.toml
index a3d791a..b500d2b 100644
--- a/example/config.toml
+++ b/example/config.toml
@@ -30,7 +30,8 @@ colors_to_compare = [
     { name = "purple", color = "#800080" },
 ]
 compare_to = "{{colors.primary.default.hex}}"
-hook = 'echo "source color {{colors.source_color.default.hex}}, source image {{image}}, closest color {{closest_color}}"'
+pre_hook = 'echo "source color {{colors.source_color.default.hex}}, source image {{image}}, closest color {{closest_color}}"'
+post_hook = 'echo "after gen"'
 
 # Only hex values
 [config.custom_colors]
diff --git a/src/util/template.rs b/src/util/template.rs
index 30354f0..e77e8e8 100644
--- a/src/util/template.rs
+++ b/src/util/template.rs
@@ -54,7 +54,8 @@ pub struct Template {
     pub mode: Option<SchemesEnum>,
     pub colors_to_compare: Option<Vec<ColorDefinition>>,
     pub compare_to: Option<String>,
-    pub hook: Option<String>,
+    pub pre_hook: Option<String>,
+    pub post_hook: Option<String>,
 }
 
 #[derive(Serialize, Deserialize, Debug)]
@@ -186,8 +187,8 @@ impl Template {
                 (template.input_path.try_resolve()?.to_path_buf(), template.output_path.try_resolve()?.to_path_buf())
             };
 
-            if template.hook.is_some() {
-                format_hook(template, &engine, &mut render_data)?;
+            if template.pre_hook.is_some() {
+                format_hook(template, &engine, &mut render_data, template.pre_hook.as_ref().unwrap())?;
             }
 
             if !input_path_absolute.exists() {
@@ -241,6 +242,10 @@ impl Template {
                 i,
                 templates,
             )?;
+
+            if template.post_hook.is_some() {
+                format_hook(template, &engine, &mut render_data, template.post_hook.as_ref().unwrap())?;
+            }
         }
         Ok(())
     }
@@ -314,6 +319,7 @@ fn format_hook(
     template: &Template,
     engine: &Engine,
     render_data: &mut Value,
+    hook: &String
 ) -> Result<(), Report> {
     let closest_color: Option<String> =
         if template.colors_to_compare.is_some() && template.compare_to.is_some() {
@@ -327,7 +333,7 @@ fn format_hook(
             None
         };
 
-    let t = engine.compile(template.hook.as_ref().unwrap())?;
+    let t = engine.compile(hook)?;
     let res = if template.colors_to_compare.is_some() && template.compare_to.is_some() {
         format_hook_text(render_data, closest_color, t)
     } else {