diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 18c8fed..9346be8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -38,6 +38,8 @@ jobs:
   
     - uses: actions/checkout@v3
     - name: "Create keychain"
+      env:
+        MACOS_PEM: ${{ secrets.MACOS_PEM }}
       run: |
         . $HOME/.asdf/asdf.sh
         mix desktop.create_keychain
diff --git a/.gitignore b/.gitignore
index b03e8b8..75431f1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+/tmp
+tmp.pem
+.DS_Store
 # The directory Mix will write compiled artifacts to.
 /_build/