diff --git a/build/io-wait/0.2.3 b/build/io-wait/0.2.3
new file mode 100644
index 00000000..e69de29b
diff --git a/build/strscan/3.0.2 b/build/strscan/3.0.2
new file mode 100644
index 00000000..e69de29b