diff --git a/.circleci/config.yml b/.circleci/config.yml
index 80bec64..70a073d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -57,6 +57,7 @@ jobs:
                     echo "$2" | base64 --decode > "$1"
                   }
                   decodeToFile embedded.provisionprofile "${MAC_PROVISION_PROFILE}"
+                  decodeToFile mas-dev.provisionprofile "${MAC_DEV_PROVISION_PROFILE}"
                   decodeToFile code-to-learn-macos.p12 "${CSC_MACOS}"
                   security -v create-keychain -p circleci circleci.keychain
                   security -v default-keychain -s circleci.keychain
@@ -194,6 +195,7 @@ commands:
           steps:
             - run:
                 command: npm run dist
+                no_output_timeout: 30m # macOS notarization can take longer than the default 10 minutes
                 environment:
                   <<: *clear_context
                   WIN_CSC_LINK: ~/codesign.pfx
diff --git a/electron-builder.yaml b/electron-builder.yaml
index b4c4a0f..fc32724 100644
--- a/electron-builder.yaml
+++ b/electron-builder.yaml
@@ -27,7 +27,7 @@ mas:
   icon: buildResources/ScratchDesktop.icns
 masDev:
   type: development
-  provisioningProfile: macDeveloperThisDevice.provisionprofile
+  provisioningProfile: mas-dev.provisionprofile
 win:
   icon: buildResources/ScratchDesktop.ico
   target:
diff --git a/scripts/electron-builder-wrapper.js b/scripts/electron-builder-wrapper.js
index 91b239b..077708f 100644
--- a/scripts/electron-builder-wrapper.js
+++ b/scripts/electron-builder-wrapper.js
@@ -7,6 +7,7 @@
  */
 
 const {spawnSync} = require('child_process');
+const fs = require('fs');
 
 /**
  * Strip any code signing configuration (CSC) from a set of environment variables.
@@ -91,6 +92,7 @@ const runBuilder = function (wrapperConfig, target) {
  * same time but doing so limits has unwanted side effects on both macOS and Windows (see function body).
  */
 const calculateTargets = function (wrapperConfig) {
+    const masDevProfile = 'mas-dev.provisionprofile';
     const availableTargets = {
         macAppStore: {
             name: 'mas',
@@ -126,7 +128,11 @@ const calculateTargets = function (wrapperConfig) {
         // Seems like a bug in electron-builder...
         // Running the 'mas' build first means that its output is available while we wait for 'dmg' notarization.
         // Add macAppStoreDev here to test a MAS-like build locally. You'll need a Mac Developer provisioning profile.
-        // targets.push(availableTargets.macAppStoreDev);
+        if (fs.existsSync(masDevProfile)) {
+            targets.push(availableTargets.macAppStoreDev);
+        } else {
+            console.log(`skipping target "${availableTargets.macAppStoreDev.name}": ${masDevProfile} missing`);
+        }
         if (wrapperConfig.doSign) {
             targets.push(availableTargets.macAppStore);
         } else {