diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 8b9c2a8..808c808 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -1,5 +1,8 @@
 name: Build Docker image
 
+permissions:
+  contents: read
+
 on:
   push:
     branches: