diff --git a/desktop-app/add-osx-cert.sh b/desktop-app/add-osx-cert.sh
new file mode 100644
index 00000000..b062a759
--- /dev/null
+++ b/desktop-app/add-osx-cert.sh
@@ -0,0 +1,23 @@
+#!/usr/bin/env sh
+
+KEY_CHAIN=build.keychain
+CERTIFICATE_P12=certificate.p12
+
+# Recreate the certificate from the secure environment variable
+echo $CERTIFICATE_OSX_P12 | base64 --decode > $CERTIFICATE_P12
+
+#create a keychain
+security create-keychain -p travis $KEY_CHAIN
+
+# Make the keychain the default so identities are found
+security default-keychain -s $KEY_CHAIN
+
+# Unlock the keychain
+security unlock-keychain -p travis $KEY_CHAIN
+
+security import $CERTIFICATE_P12 -k $KEY_CHAIN -P $CERTIFICATE_OSX_PASSWORD -T /usr/bin/codesign;
+
+security set-key-partition-list -S apple-tool:,apple: -s -k travis $KEY_CHAIN
+
+# remove certs
+rm -fr *.p12