diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e6997d6..94e6604 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,6 +11,9 @@ on:
     - cron: "0 7 * * 6"
   workflow_dispatch: { }
 
+permissions:
+  contents: read
+
 jobs:
   lint:
     name: Linter
@@ -24,7 +27,6 @@ jobs:
         with:
           go-version-file: "go.mod"
           check-latest: true
-          cache: true
 
       - name: Gofmt check
         run: diff -u <(echo -n) <(gofmt -d .)