diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d058319..7e1ab43 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,6 +11,9 @@ on:
         required: true
         type: string
 
+permissions:
+  contents: read
+
 jobs:
   # ── Build binaries ───────────────────────────────────────────────────────────
 
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 5b3b143..74e3ba6 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ "master" ]
 
+permissions:
+  contents: read
+
 env:
   CARGO_TERM_COLOR: always