diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1be2222..71c73df 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,6 +7,10 @@ on:
     branches: [master]
   workflow_dispatch:
 
+permissions:
+  contents: read
+  actions: read
+
 jobs:
   build-windows:
     name: Windows