diff --git a/.github/workflows/conda.yml b/.github/workflows/conda.yml
index 0cd9ab0..e53df52 100644
--- a/.github/workflows/conda.yml
+++ b/.github/workflows/conda.yml
@@ -3,6 +3,7 @@ name: conda
 on:
   schedule:
     - cron: '0 0 * * 1'  # run every Monday
+  workflow_dispatch:
 
 env:
   PYTEST_ADDOPTS: "--color=yes"