diff --git a/.github/scripts/signing.sh b/.github/scripts/signing.sh
new file mode 100755
index 0000000..ac85c74
--- /dev/null
+++ b/.github/scripts/signing.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+# Create directories for ASC key
+mkdir ~/.private_keys
+echo -n "$APPLE_API_KEY_DATA" > ~/.private_keys/AuthKey_$APPLE_API_KEY_ID.p8
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ba73ac6..93821aa 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -27,7 +27,7 @@ jobs:
             swift test
             popd
   build:
-    runs-on: macos-11.0
+    runs-on: macos-12.0
     timeout-minutes: 10
     steps:
     - uses: actions/checkout@v3