diff --git a/.github/workflows/build-apps.yml b/.github/workflows/build-apps.yml
index a78838369..b34f9d010 100644
--- a/.github/workflows/build-apps.yml
+++ b/.github/workflows/build-apps.yml
@@ -218,6 +218,7 @@ jobs:
 
       # This is what electron-builder seems to want
       - name: List certs
+        if: ${{ (env.IS_RELEASE == 'true' || env.IS_NIGHTLY == 'true') && matrix.os == 'windows-2022' }}
         shell: pwsh
         run: |
           Get-ChildItem -Recurse Cert: -CodeSigningCert | Select-Object -Property Subject,PSParentPath,Thumbprint
diff --git a/electron-builder.yml b/electron-builder.yml
index b88933068..8ce5218d3 100644
--- a/electron-builder.yml
+++ b/electron-builder.yml
@@ -35,6 +35,7 @@ win:
   signtoolOptions:
     certificateSha1: F4C9A52FF7BC26EE5E054946F6B11DEEA94C748D
     signingHashAlgorithms:
+      - sha1
       - sha256
     publisherName: "KittyCAD Inc" # needs to be exactly like on Digicert
   icon: "assets/icon.ico"