diff --git a/.github/workflows/cron-conda.yml b/.github/workflows/cron-conda.yml
index 66a815051..590021a83 100644
--- a/.github/workflows/cron-conda.yml
+++ b/.github/workflows/cron-conda.yml
@@ -6,10 +6,15 @@ on:
   push:
     branches: [main, ]
 
+permissions:
+  contents: read
+
 jobs:
   conda-update:
     name: Update requirements.txt
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
     steps:
       - uses: actions/checkout@v7
         with: