diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d5b0e8a..c800aeb 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,5 +1,8 @@
 name: Build docker image
 
+permissions:
+    contents: read
+
 on: [push]
 
 jobs: