diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 51ecb255..746753f7 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -20,6 +20,9 @@ on:
   schedule:
     - cron: '43 23 * * 6'
 
+permissions:
+  contents: read
+
 jobs:
   analyze:
     name: Analyze
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0da5c024..6a1500c1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -18,6 +18,9 @@ env:
   MIN_PYTHON_VERSION: "3.7"
   DEFAULT_PYTHON_VERSION: "3.9"
 
+permissions:
+  contents: read
+
 jobs:
   lint:
     runs-on: ubuntu-latest