diff --git a/.github/workflows/update-flake.yml b/.github/workflows/update-flake.yml
index c2974b4..dcc067c 100644
--- a/.github/workflows/update-flake.yml
+++ b/.github/workflows/update-flake.yml
@@ -1,6 +1,7 @@
 name: Update flake
 
 on:
+  workflow_dispatch:
   schedule:
     - cron: "0 0 * * 0" # weekly