diff --git a/.github/workflows/android-build.yml b/.github/workflows/android-build.yml
index b3a17f301..57a1860f9 100644
--- a/.github/workflows/android-build.yml
+++ b/.github/workflows/android-build.yml
@@ -7,6 +7,9 @@ on:
 env:
   BUILD_TYPE: Release
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 75a866233..00ca4d3ae 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -6,6 +6,9 @@ on:
   schedule:
     - cron: "0 11 * * *"
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/cross-build.yml b/.github/workflows/cross-build.yml
index 5efd00329..5586f936a 100644
--- a/.github/workflows/cross-build.yml
+++ b/.github/workflows/cross-build.yml
@@ -4,6 +4,9 @@ on:
   push:
   pull_request:
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 843b1c75e..e2a1d2f1f 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -5,6 +5,9 @@ on:
     - cron: "0 1 * * 0" # every Sunday at 1 am
   workflow_dispatch: # on button click
 
+permissions:
+  contents: read
+
 jobs:
   push_to_registry:
     name: Push Docker image to GitHub Docker registry
diff --git a/.github/workflows/wip.yml b/.github/workflows/wip.yml
index e0129757b..81986ebc2 100644
--- a/.github/workflows/wip.yml
+++ b/.github/workflows/wip.yml
@@ -7,6 +7,9 @@ on:
 env:
   BUILD_TYPE: Debug
 
+permissions:
+  contents: read
+
 jobs:
   build:
     runs-on: ubuntu-latest