diff --git a/.github/workflows/windows-dev.yml b/.github/workflows/windows-dev.yml
index 0f7e4ebf..076b20d3 100644
--- a/.github/workflows/windows-dev.yml
+++ b/.github/workflows/windows-dev.yml
@@ -51,33 +51,17 @@ jobs:
         run: |
           makensis /DPRODUCT_VERSION=${{ steps.readversion.outputs.info }} Templates/installer/windows-installer-dev.nsi
 
-      - name: Sign installer
-        run: |
-          New-Item -ItemType directory -Path certificate
-          Set-Content -Path certificate\cert.txt -Value ${{ secrets.WIN_CERT }}
-          certutil -decode certificate\cert.txt certificate\cert.pfx
-          
-          Import-PfxCertificate `
-            -FilePath certificate\cert.pfx `
-            -CertStoreLocation Cert:\CurrentUser\My `
-            -Password (ConvertTo-SecureString -String ${{ secrets.WIN_PASS }} -Force -AsPlainText)
-          
-          & 'C:/Program Files (x86)/Windows Kits/10/bin/10.0.22621.0/x86/signtool.exe' sign `
-            /debug `
-            /fd SHA256 `
-            /p ${{ secrets.WIN_PASS }} `
-            /f certificate\cert.pfx `
-            /td sha256 `
-            /tr 'http://timestamp.digicert.com' `
-            Templates/installer/SuperHumanInstallerDev-Setup.exe
-          
-          Remove-Item -Recurse -Force certificate
+      # Sign installer
 
-      - name: Verify signature
-        if: ${{ false }}
-        run: |
-          & 'C:/Program Files (x86)/Windows Kits/10/bin/10.0.22621.0/x86/signtool.exe' `
-            verify Templates/installer/SuperHumanInstallerDev-Setup.exe
+      - name: Sign installer
+        uses: Moonshine-IDE/digicert-sign-action@v1.0
+        with:
+          bin-path: Templates/installer/SuperHumanInstallerDev-Setup.exe
+          sm-host: ${{ secrets.SM_HOST }}
+          sm-api-key: ${{ secrets.SM_API_KEY }}
+          sm-client-cert-file-b64: ${{ secrets.SM_CLIENT_CERT_FILE_B64 }}
+          sm-client-cert-password: ${{ secrets.SM_CLIENT_CERT_PASSWORD }}
+          sm-code-signing-cert-sha1-hash: ${{ secrets.SM_CODE_SIGNING_CERT_SHA1_HASH }}
           
       - name: Upload installer
         uses: actions/upload-artifact@v3