diff --git a/CHANGELOG.md b/CHANGELOG.md
index 00e12ef..5cd4b7e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,7 +24,7 @@
 
 - Add object-like notation for dictionaries. Add criteria for selecting between object function calls and pseudo-OOP calls.
 
-# Upstream
+# 0.4.0
 
 - Enable mutability inside loops.
 
@@ -53,3 +53,5 @@
 - The `time` module was added, with the `time` and `sleep` functions.
 
 - Fix bug where non-empty sets were being matched to the `{}` expression.
+
+# Upstream
diff --git a/book/src/installation.md b/book/src/installation.md
index e0a3876..6473b28 100644
--- a/book/src/installation.md
+++ b/book/src/installation.md
@@ -4,7 +4,7 @@ Currently, you can install Komodo downloading binaries or building from source.
 
 ## Download binaries
 
-There are pre-compiled binaries for x86-64 Linux [here](https://github.com/danilopedraza/komodo/releases/download/v0.3.0/komodo). If this is not your architecture, you will have to build from source.
+There are pre-compiled binaries for x86-64 Linux [here](https://github.com/danilopedraza/komodo/releases/download/v0.4.0/komodo). If this is not your architecture, you will have to build from source.
 
 You can use this to install Komodo for all users (requires root access):
 
@@ -15,7 +15,7 @@ curl --proto '=https' --tlsv1.2 -sSf https://komodo-lang.org/install.sh | sh
 You can also install Komodo (only for your user) with these commands:
 
 ```
-wget https://github.com/danilopedraza/komodo/releases/download/v0.3.0/komodo
+wget https://github.com/danilopedraza/komodo/releases/download/v0.4.0/komodo
 chmod +x komodo
 mv komodo $HOME/.local/bin
 ```
diff --git a/core-browser/Cargo.toml b/core-browser/Cargo.toml
index 0c0eb2a..be98c64 100644
--- a/core-browser/Cargo.toml
+++ b/core-browser/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "komodo-browser"
-version = "0.3.0"
+version = "0.4.0"
 authors = ["Danilo Pedraza <cpedraza@unal.edu.co>"]
 edition = "2021"
 resolver = "2"
diff --git a/core/Cargo.lock b/core/Cargo.lock
index 733d53b..bdacda1 100644
--- a/core/Cargo.lock
+++ b/core/Cargo.lock
@@ -111,7 +111,7 @@ dependencies = [
 
 [[package]]
 name = "komodo"
-version = "0.3.0"
+version = "0.4.0"
 dependencies = [
  "codespan-reporting",
  "gmp-mpfr-sys",
diff --git a/core/Cargo.toml b/core/Cargo.toml
index ab53884..8cff780 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "komodo"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2021"
 
 [features]
diff --git a/installer/linux/install.sh b/installer/linux/install.sh
index 0e58023..55e3243 100755
--- a/installer/linux/install.sh
+++ b/installer/linux/install.sh
@@ -4,7 +4,7 @@ set -e
 echo "Installing Komodo... (this will require root access)"
 
 cd /tmp
-wget https://github.com/danilopedraza/komodo/releases/download/v0.3.0/komodo
+wget https://github.com/danilopedraza/komodo/releases/download/v0.4.0/komodo
 sudo chmod +x komodo
 sudo mv komodo /usr/local/bin/komodo
 
@@ -13,7 +13,7 @@ sudo mkdir -p /usr/local/lib/komodo
 
 for module in utils
 do
-    wget https://github.com/danilopedraza/komodo/releases/download/v0.3.0/$module.komodo
+    wget https://github.com/danilopedraza/komodo/releases/download/v0.4.0/$module.komodo
     sudo mv $module.komodo /usr/local/lib/komodo/$module.komodo
 done