diff --git a/upcoming/multilib.conf b/upcoming/multilib.conf
new file mode 100644
index 0000000..918c883
--- /dev/null
+++ b/upcoming/multilib.conf
@@ -0,0 +1,17 @@
+# format: {arch|*: [packages]}
+multilib_blacklist = {
+    "*": [
+        "libvirt*",
+        "java-*",
+        "totem",
+    ],
+}
+
+# format: {arch|*: [packages]}
+multilib_whitelist = {
+    "*": [
+         "valgrind",
+         "papi",
+	       "gcc-toolset-9-valgrind",
+    ],
+}