diff --git a/.github/scripts/macos/setup-keychain.ps1 b/.github/scripts/macos/setup-keychain.ps1
index 7d3e4d4d574..9f7638a6dc7 100644
--- a/.github/scripts/macos/setup-keychain.ps1
+++ b/.github/scripts/macos/setup-keychain.ps1
@@ -6,6 +6,7 @@ $devidAppCertPath = $($secretsPath + "/devid-app-cert.p12");
 $devidInstallerCertPath = $($secretsPath + "/devid-installer-cert.p12");
 $appstoreAppCertPath = $($secretsPath + "/appstore-app-cert.p12");
 $appstoreInstallerCertPath = $($secretsPath + "/appstore-installer-cert.p12");
+$macdevCertPath = $($secretsPath + "/macdev-cert.p12");
 
 security create-keychain -p $env:KEYCHAIN_PASSWORD build.keychain
 security default-keychain -s build.keychain
@@ -16,4 +17,5 @@ security import $devidAppCertPath -k build.keychain -P $env:DEVID_CERT_PASSWORD
 security import $devidInstallerCertPath -k build.keychain -P $env:DEVID_CERT_PASSWORD -T /usr/bin/codesign -T /usr/bin/security
 security import $appstoreAppCertPath -k build.keychain -P $env:APPSTORE_CERT_PASSWORD -T /usr/bin/codesign -T /usr/bin/security
 security import $appstoreInstallerCertPath -k build.keychain -P $env:APPSTORE_CERT_PASSWORD -T /usr/bin/codesign -T /usr/bin/security
+security import $macdevCertPath -k build.keychain -P $env:MACDEV_CERT_PASSWORD -T /usr/bin/codesign -T /usr/bin/security
 security set-key-partition-list -S apple-tool:,apple:,codesign: -s -k $env:KEYCHAIN_PASSWORD build.keychain
diff --git a/.github/secrets/macdev-cert.p12.gpg b/.github/secrets/macdev-cert.p12.gpg
new file mode 100644
index 00000000000..3d9bd88d89b
Binary files /dev/null and b/.github/secrets/macdev-cert.p12.gpg differ
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5e17f92979f..6abe15fbaaf 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -150,7 +150,7 @@ jobs:
       - name: Run linter
         run: npm run lint
 
-      - name: Clean safari directory
+      - name: Clean Safari directory
         shell: pwsh
         run: ./.github/scripts/macos/clean-safari.ps1