diff --git a/src/tools/miri/triagebot.toml b/src/tools/miri/triagebot.toml
index 3b767b3e62f..addb36418d4 100644
--- a/src/tools/miri/triagebot.toml
+++ b/src/tools/miri/triagebot.toml
@@ -10,5 +10,10 @@ allow-unauthenticated = [
 # Gives us the commands 'ready', 'author', 'blocked'
 [shortcut]
 
+# Enables assigning users to issues and PRs.
+[assign]
+warn_non_default_branch = true
+contributing_url = "https://github.com/rust-lang/miri/blob/master/CONTRIBUTING.md"
+
 [no-merges]
 exclude_titles = ["Rustup"]