diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2325f583b0..5d24f19797 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,8 +1,13 @@
 name: CI
 
 on:
+  workflow_dispatch:
   pull_request:
 
+concurrency:
+  group: ${{ github.ref }}
+  cancel-in-progress: true
+
 env:
   # https://doc.rust-lang.org/cargo/reference/profiles.html#release
   RUSTFLAGS: -Coverflow-checks=y -Cdebug-assertions=y