diff --git a/install.sh b/install.sh
index 5b8fe91..9fb4a23 100755
--- a/install.sh
+++ b/install.sh
@@ -14,7 +14,7 @@
   DESTINATION="${PREFIX:-/usr/local/bin}/toast"
 
   # Which version to download
-  RELEASE="v${VERSION:-0.47.1}"
+  RELEASE="v${VERSION:-0.47.2}"
 
   # Determine which binary to download.
   FILENAME=''
@@ -29,6 +29,10 @@
     echo 'x86-64 macOS detected.'
     FILENAME=toast-x86_64-apple-darwin
   fi
+  if uname -a | grep -qi 'Darwin.*arm64'; then
+    echo 'AArch64 macOS detected.'
+    FILENAME=toast-aarch64-apple-darwin
+  fi
 
   # Find a temporary location for the binary.
   TEMPDIR=$(mktemp -d /tmp/toast.XXXXXXXX)