diff --git a/build/google-protobuf/3.21.11 b/build/google-protobuf/3.21.11
new file mode 100644
index 0000000..e69de29
diff --git a/build/nokogiri/1.13.10 b/build/nokogiri/1.13.10
new file mode 100644
index 0000000..3968560
--- /dev/null
+++ b/build/nokogiri/1.13.10
@@ -0,0 +1,3 @@
+EXTRA_GEMS="mini_portile2"
+EXTRA_PKGS="zlib-dev libxml2-dev libxslt-dev"
+NOKOGIRI_USE_SYSTEM_LIBRARIES=1
diff --git a/build/strscan/3.0.5 b/build/strscan/3.0.5
new file mode 100644
index 0000000..e69de29