diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 53f659d..4b2e17b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -56,7 +56,7 @@ jobs:
         pip install -r requirements-test.txt
 
     - name: Install pymsis
-      run: pip install -v .
+      run: pip install -ve .
 
     - name: Lint with flake8
       run: |
diff --git a/CITATION.cff b/CITATION.cff
index acc6398..d3bb05b 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -5,7 +5,7 @@ authors:
     given-names: "Greg"
     orcid: "https://orcid.org/0000-0003-1331-1863"
 title: "pymsis"
-version: v0.3.0
-doi: 10.5281/zenodo.5348503
+version: v0.4.0
+doi: 10.5281/zenodo.5348502
 date-released: 2021-08-31
 url: "https://github.com/SWxTREC/pymsis"
\ No newline at end of file
diff --git a/pymsis/__init__.py b/pymsis/__init__.py
index c59d748..8a6afaa 100644
--- a/pymsis/__init__.py
+++ b/pymsis/__init__.py
@@ -1,5 +1,5 @@
 import os
-__version__ = "0.3.0"
+__version__ = "0.4.0"
 
 # If we are on Windows, Python 3.8+ then we need to add a DLL search path
 # The libraries are located relative to this init file.