diff --git a/.github/workflows/changelog.yml b/.github/workflows/changelog.yml
index 89c51fd3..a9cdcc15 100644
--- a/.github/workflows/changelog.yml
+++ b/.github/workflows/changelog.yml
@@ -4,6 +4,9 @@ on:
   pull_request:
     types: [opened, synchronize, reopened, labeled, unlabeled]
 
+permissions:
+  pull-requests: read
+
 jobs:
   check:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 4302e0a9..b5856b06 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -5,6 +5,9 @@ on:
     tags:
       - '*'
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/ext.yml b/.github/workflows/ext.yml
index d43a2b8a..996976e0 100644
--- a/.github/workflows/ext.yml
+++ b/.github/workflows/ext.yml
@@ -3,6 +3,9 @@ name: Ext Tests
 on:
   pull_request:
 
+permissions:
+  contents: read
+
 jobs:
   appraise:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 15891f19..6e3d9f87 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -7,6 +7,9 @@ on:
 
   pull_request:
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest