diff --git a/build_exe.sh b/build_exe.sh
new file mode 100644
index 0000000..ffc2dd9
--- /dev/null
+++ b/build_exe.sh
@@ -0,0 +1,3 @@
+docker run -v "$(pwd):/src/" cdrx/pyinstaller-windows "pyinstaller --onefile math-with-slack.py"
+
+
diff --git a/math-with-slack.py b/math-with-slack.py
index 9326059..cf96a52 100644
--- a/math-with-slack.py
+++ b/math-with-slack.py
@@ -49,7 +49,7 @@
 
 # Math with Slack version
 
-mws_version = '0.4.0.0000'
+mws_version = '0.4.1.0000'
 
 
 # Parse command line options