diff --git a/appimage/build-appimage.sh b/appimage/build-appimage.sh
index d8bee07..bbaaa76 100755
--- a/appimage/build-appimage.sh
+++ b/appimage/build-appimage.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-version=0.3.0
+version=0.4.0
 
 mkdir -p build && cd build
 
diff --git a/meta.yaml b/meta.yaml
index 8f6d2bf..18efa12 100644
--- a/meta.yaml
+++ b/meta.yaml
@@ -1,5 +1,5 @@
 {% set name = 'spr' %}
-{% set version = '0.3.0' %}
+{% set version = '0.4.0' %}
 
 package:
   name: "{{ name|lower }}"
diff --git a/setup.cfg b/setup.cfg
index ec6669e..96265a6 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.3.0
+current_version = 0.4.0
 commit = True
 tag = True
 
@@ -30,7 +30,6 @@ universal = 1
 exclude = docs
 
 [aliases]
-# Define setup.py command aliases here
 test = pytest
 
 [tool:pytest]
diff --git a/setup.py b/setup.py
index e2949e9..0fd0bf8 100644
--- a/setup.py
+++ b/setup.py
@@ -55,6 +55,6 @@
     test_suite='tests',
     tests_require=test_requirements,
     url='https://github.com/gmagno/spr',
-    version='0.3.0',
+    version='0.4.0',
     zip_safe=False,
 )
diff --git a/spr/__init__.py b/spr/__init__.py
index 95037d5..1feb94c 100644
--- a/spr/__init__.py
+++ b/spr/__init__.py
@@ -2,4 +2,4 @@
 
 __author__ = """Gonçalo Magno"""
 __email__ = 'goncalo@gmagno.dev'
-__version__ = '0.3.0'
+__version__ = '0.4.0'
diff --git a/spr/cli.py b/spr/cli.py
index 3bfff63..c89fbd7 100644
--- a/spr/cli.py
+++ b/spr/cli.py
@@ -8,7 +8,7 @@
 
 def parse_args():
     description = textwrap.dedent("""
-        Spice Raw Parser (spr v0.3.0) -- parses ngspice raw data files and
+        Spice Raw Parser (spr v0.4.0) -- parses ngspice raw data files and
         plots the specified variables.
         For full documentation check the repo: https://github.com/gmagno/spr
     """)
@@ -122,7 +122,7 @@ def parse_args():
 def main():
     kwargs = parse_args()
     if kwargs['version']:
-        print("Spice Raw Parse -- spr v0.3.0")
+        print("Spice Raw Parse -- spr v0.4.0")
         return 0
 
     if kwargs['list_variables']: