diff --git a/.github/workflows/codeql-build.yml b/.github/workflows/codeql-build.yml
index 5cd3b49..3e24f21 100644
--- a/.github/workflows/codeql-build.yml
+++ b/.github/workflows/codeql-build.yml
@@ -12,6 +12,9 @@ on:
       - synchronize
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   codeql:
     name: Codeql Analysis
diff --git a/.github/workflows/format-check.yml b/.github/workflows/format-check.yml
index a47839d..bb03a3a 100644
--- a/.github/workflows/format-check.yml
+++ b/.github/workflows/format-check.yml
@@ -13,6 +13,9 @@ on:
       - synchronize
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   format-check:
     name: Run format check
diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index 85dccf2..8f1159b 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -12,6 +12,9 @@ on:
       - synchronize
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   static-analysis:
     name: Static Analysis