diff --git a/build/google-protobuf/3.22.0 b/build/google-protobuf/3.22.0
new file mode 100644
index 00000000..e69de29b
diff --git a/build/hiredis-client/0.12.2 b/build/hiredis-client/0.12.2
new file mode 100644
index 00000000..b6fb7f18
--- /dev/null
+++ b/build/hiredis-client/0.12.2
@@ -0,0 +1 @@
+EXTRA_PKGS="hiredis-dev openssl-dev"
diff --git a/build/sass-embedded/1.58.2 b/build/sass-embedded/1.58.2
new file mode 100644
index 00000000..509c4136
--- /dev/null
+++ b/build/sass-embedded/1.58.2
@@ -0,0 +1 @@
+GEM_COMPILER_FLAGS="--include-shared-dir=ext/sass"