diff --git a/built/alpine/18.3/concurrent-ruby-ext/1.3.3 b/built/alpine/18.3/concurrent-ruby-ext/1.3.3
new file mode 100644
index 00000000..e69de29b
diff --git a/failed/alpine/18.3/concurrent-ruby/1.3.3 b/failed/alpine/18.3/concurrent-ruby/1.3.3
new file mode 100644
index 00000000..e69de29b