diff --git a/.github/workflows/build_singularity.yaml b/.github/workflows/build_singularity.yaml
index fe823b0..00547b9 100644
--- a/.github/workflows/build_singularity.yaml
+++ b/.github/workflows/build_singularity.yaml
@@ -1,6 +1,8 @@
 on:
   push:
   pull_request:
+  schedule:
+  - cron: "0 0 13 * *"
 
 name: build_singularity