diff --git a/.github/workflows/Rust.yml b/.github/workflows/Rust.yml
index 99df44a..e451cd6 100644
--- a/.github/workflows/Rust.yml
+++ b/.github/workflows/Rust.yml
@@ -6,6 +6,8 @@ on:
   pull_request:
     branches: [ "main" ]
 
+permissions: read-all
+
 env:
   CARGO_TERM_COLOR: always