diff --git a/src/scripts/darwin.sh b/src/scripts/darwin.sh
index 59505d6f..cfb844eb 100644
--- a/src/scripts/darwin.sh
+++ b/src/scripts/darwin.sh
@@ -125,10 +125,13 @@ update_dependencies() {
   patch_brew
   if ! [ -e /tmp/update_dependencies ]; then
     if [ "${runner:?}" != "self-hosted" ] && [ "${ImageOS:-}" != "" ] && [ "${ImageVersion:-}" != "" ]; then
-      while read -r dependency; do
-        update_dependencies_helper "$dependency" &
-        to_wait+=($!)
-      done <"$tap_dir/$php_tap/.github/deps/${ImageOS:?}_${ImageVersion:?}"
+      deps_file="$tap_dir/$php_tap/.github/deps/${ImageOS:?}_${ImageVersion:?}"
+      if [ -e "$deps_file" ]; then
+        while read -r dependency; do
+          update_dependencies_helper "$dependency" &
+          to_wait+=($!)
+        done <"$deps_file"
+      fi
       wait "${to_wait[@]}"
     else
       git -C "$core_repo" fetch origin master && git -C "$core_repo" reset --hard origin/master