diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e47b0a36..9c52a87f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -18,7 +18,9 @@ deploy:
   stage: deploy
   image: patrickhuber/choco-linux
   script:
-    - powershell .\app\make-nupkg.ps1
+    - chmod +x ./app/make-nupkg.sh
+    - ./app/make-nupkg.sh
   artifacts:
     paths:
+      - release-builds/*.nuspec
       - release-builds/*.nupkg
\ No newline at end of file
diff --git a/app/make-nupkg.sh b/app/make-nupkg.sh
new file mode 100644
index 00000000..e8b17619
--- /dev/null
+++ b/app/make-nupkg.sh
@@ -0,0 +1,70 @@
+silentArgs='/S'
+packageName='openflexure-ev'
+fileType='exe'
+
+scriptPath=`dirname $0`
+packagePath="$(dirname "$scriptPath")"
+packageJson="$packagePath/package.json"
+outpath="$packagePath/release-builds/choco"
+toolspath="$outpath/tools"
+mkdir -p $toolspath
+
+echo $scriptPath
+echo $packageJson
+echo $outpath
+
+# Get package version from package.json
+packageVersion=$(cat $packageJson \
+  | grep version \
+  | head -1 \
+  | awk -F: '{ print $2 }' \
+  | sed 's/[",]//g' \
+  | tr -d '[[:space:]]')
+
+# Convert into a nupkg-safe version string
+majVer="$(echo $packageVersion | cut -d'-' -f1)"
+minVer="$(echo $packageVersion | cut -d'-' -f2)"
+minVer="${minVer//.}"
+version="$majVer-$minVer"
+
+echo $version
+
+# Build installer URL
+instURL="$CI_JOB_URL/artifacts/browse/release-builds/openflexure-ev-win.exe"
+
+# Build nuspec
+cat > "$outpath/openflexure-ev.nuspec" <<- EOL
+<?xml version="1.0"?>
+<package xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+  <metadata>
+    <id>$packageName</id>
+    <title>OpenFlexure eV</title>
+    <version>$version</version>
+    <authors>OpenFlexure</authors>
+    <owners>Bath Open Instrumentation Group</owners>
+    <summary>OpenFlexure Microscope client</summary>
+    <description>An electron-based user client for the OpenFlexure Microscope Server</description>
+    <projectUrl>https://www.openflexure.org/</projectUrl>
+    <docsUrl>https://www.openflexure.org/projects/microscope/</docsUrl>
+    <bugTrackerUrl>https://gitlab.com/openflexure/openflexure-microscope-jsclient/issues</bugTrackerUrl>
+    <projectSourceUrl>https://gitlab.com/openflexure/openflexure-microscope-jsclient/</projectSourceUrl>
+    
+    <packageSourceUrl>https://gitlab.com/openflexure/openflexure-microscope-jsclient/</packageSourceUrl>
+    
+    <tags>openflexure microscope ev</tags>
+    <licenseUrl>https://gitlab.com/openflexure/openflexure-microscope-jsclient/raw/master/LICENSE</licenseUrl>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <iconUrl>https://gitlab.com/openflexure/openflexure-microscope-jsclient/raw/master/app/icons/png/512x512.png</iconUrl>
+  </metadata>
+  <files>
+    <file src="tools\**" target="tools" />
+  </files>
+</package>
+EOL
+
+# Build installer PS1 content
+instPS1="Install-ChocolateyPackage $packageName $fileType $silentArgs $instURL"
+echo $instPS1 > "$toolspath/chocolateyInstall.ps1"
+
+# Build nupkg
+choco pack --outputdirectory $outpath "$outpath/openflexure-ev.nuspec"
\ No newline at end of file