diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index 6b3b084..1c33479 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -1,6 +1,9 @@
 ---
 name: Codespell
 on: [push, pull_request]
+permissions:
+  contents: read
+
 jobs:
   codespell:
     name: Check for spelling errors
diff --git a/.github/workflows/docker-3.1dev.yml b/.github/workflows/docker-3.1dev.yml
index c3cb57a..4117aa5 100644
--- a/.github/workflows/docker-3.1dev.yml
+++ b/.github/workflows/docker-3.1dev.yml
@@ -12,6 +12,9 @@ env:
   BUILD_VERSION: "3.1dev"
   DOCKER_CLI_EXPERIMENTAL: enabled
 
+permissions:
+  contents: read
+
 jobs:
 
   deploy:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index cb40fb3..f3f1ee4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -24,6 +24,9 @@ on:
       - 'LICENSE'
       - 'Dockerfile'
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ${{ matrix.os }}