diff --git a/.github/workflows/cifuzz.yaml b/.github/workflows/cifuzz.yaml
index c94799954..5d8b1672f 100644
--- a/.github/workflows/cifuzz.yaml
+++ b/.github/workflows/cifuzz.yaml
@@ -1,5 +1,9 @@
 name: CIFuzz
 on: [pull_request]
+
+permissions:
+  contents: read
+
 jobs:
   Fuzzing:
     runs-on: ubuntu-latest