diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ce7cc159..2b44a674 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,6 +4,9 @@ on:
   pull_request:
     types: [opened, synchronize, reopened]
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index aed5a724..d7b235e7 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -9,6 +9,9 @@ on:
     paths:
       - .github/workflows/copilot-setup-steps.yml
 
+permissions:
+  contents: read
+
 jobs:
   copilot-setup-steps:
     runs-on: ubuntu-latest