diff --git a/.github/workflows/develop.yml b/.github/workflows/develop.yml
index 2c297fc..2e53e59 100644
--- a/.github/workflows/develop.yml
+++ b/.github/workflows/develop.yml
@@ -7,6 +7,8 @@ on:
     branches:
       - "main"
 
+permissions: read-all
+
 jobs:
   deploy_test:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/production.yml b/.github/workflows/production.yml
index 59c5d72..860348d 100644
--- a/.github/workflows/production.yml
+++ b/.github/workflows/production.yml
@@ -6,6 +6,8 @@ on:
     tags:
       - v**
 
+permissions: read-all
+
 jobs:
   docker_push:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 9590f0b..05a004e 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -8,6 +8,8 @@ on:
       - develop
   pull_request:
 
+permissions: read-all
+
 jobs:
   test_project:
     runs-on: ubuntu-latest # operating system your code will run on