diff --git a/.github/workflows/cifuzz.yml b/.github/workflows/cifuzz.yml
index 07e4cd575..7d6e24669 100644
--- a/.github/workflows/cifuzz.yml
+++ b/.github/workflows/cifuzz.yml
@@ -1,5 +1,9 @@
 name: CIFuzz
 on: [pull_request]
+
+permissions:
+  contents: read
+
 jobs:
   Fuzzing:
     runs-on: ubuntu-latest