diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 6bec909..1e186f6 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -18,6 +18,9 @@ on:
     # The branches below must be a subset of the branches above
     branches: [ "main" ]
 
+permissions:
+  contents: read
+
 jobs:
   analyze:
     if: "!contains(github.event.commits[0].message, '[noci]')"
diff --git a/.github/workflows/container.yml b/.github/workflows/container.yml
index fe57d2f..bb12c25 100644
--- a/.github/workflows/container.yml
+++ b/.github/workflows/container.yml
@@ -7,6 +7,9 @@ on:
     branches:
       - "main"
 
+permissions:
+  contents: read
+
 env:
   REGISTRY: ghcr.io
   IMAGE_NAME: ${{ github.repository }}
diff --git a/.github/workflows/secret_scan.yml b/.github/workflows/secret_scan.yml
index 783000d..13b1993 100644
--- a/.github/workflows/secret_scan.yml
+++ b/.github/workflows/secret_scan.yml
@@ -3,6 +3,10 @@ on:
   pull_request:
     branches:
       - main
+
+permissions:
+  contents: read
+
 jobs:
   trufflehog:
     runs-on: ubuntu-latest