diff --git a/.github/workflows/pull-compliance.yml b/.github/workflows/pull-compliance.yml
index 9e1963d48a..c146b439e0 100644
--- a/.github/workflows/pull-compliance.yml
+++ b/.github/workflows/pull-compliance.yml
@@ -10,6 +10,8 @@ concurrency:
 jobs:
   files-changed:
     uses: ./.github/workflows/files-changed.yml
+    permissions:
+      contents: read
 
   lint-backend:
     if: needs.files-changed.outputs.backend == 'true' || needs.files-changed.outputs.actions == 'true'
diff --git a/.github/workflows/pull-db-tests.yml b/.github/workflows/pull-db-tests.yml
index 16c9e004a5..66f48d5af8 100644
--- a/.github/workflows/pull-db-tests.yml
+++ b/.github/workflows/pull-db-tests.yml
@@ -10,6 +10,8 @@ concurrency:
 jobs:
   files-changed:
     uses: ./.github/workflows/files-changed.yml
+    permissions:
+      contents: read
 
   test-pgsql:
     if: needs.files-changed.outputs.backend == 'true' || needs.files-changed.outputs.actions == 'true'
diff --git a/.github/workflows/pull-docker-dryrun.yml b/.github/workflows/pull-docker-dryrun.yml
index e1b86e5e38..1cd1ba31dd 100644
--- a/.github/workflows/pull-docker-dryrun.yml
+++ b/.github/workflows/pull-docker-dryrun.yml
@@ -10,6 +10,8 @@ concurrency:
 jobs:
   files-changed:
     uses: ./.github/workflows/files-changed.yml
+    permissions:
+      contents: read
 
   container:
     if: needs.files-changed.outputs.docker == 'true' || needs.files-changed.outputs.actions == 'true'