diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index d968b92..8afae93 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -1,5 +1,8 @@
 name: Rust
 
+permissions:
+  contents: read
+
 on:
   push:
     branches: [ "main" ]