diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 349a184..9df07f3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -4,6 +4,10 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#permissions
+permissions:
+  contents: read
+
 on:
   push:
     branches:
@@ -23,6 +27,11 @@ env:
 jobs:
   build:
     runs-on: ubuntu-latest
+    permissions:
+      # same as global permissions
+      contents: read
+      # required to push to GHCR
+      packages: write
     steps:
       -
         name: Checkout
diff --git a/.github/workflows/labels.yml b/.github/workflows/labels.yml
index 1342d9e..c0900a8 100644
--- a/.github/workflows/labels.yml
+++ b/.github/workflows/labels.yml
@@ -4,6 +4,10 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#permissions
+permissions:
+  contents: read
+
 on:
   push:
     branches:
@@ -19,6 +23,11 @@ on:
 jobs:
   labeler:
     runs-on: ubuntu-latest
+    permissions:
+      # same as global permissions
+      contents: read
+      # required to update labels
+      issues: write
     steps:
       -
         name: Checkout
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index aee0935..8ae0ad5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,6 +4,10 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#permissions
+permissions:
+  contents: read
+
 on:
   push:
     branches: