diff --git a/.github/workflows/cf.yaml b/.github/workflows/cf.yaml
index 218b85d..c86e9bd 100644
--- a/.github/workflows/cf.yaml
+++ b/.github/workflows/cf.yaml
@@ -25,6 +25,9 @@ on:
     branches:
       - main
 
+permissions:
+  contents: read
+
 concurrency:
   group: cf-${{ github.workflow }}-${{ github.head_ref || github.run_id }}
   cancel-in-progress: true
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index b4b0a74..f164e1d 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -5,6 +5,9 @@ on:
   release:
     types: [published]
 
+permissions:
+  contents: read
+
 jobs:
   tests:
     uses: capire/samples/.github/workflows/test.yaml@main
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 501a1e2..9fd191f 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -9,6 +9,8 @@ on:
     branches:
       - main
 
+permissions:
+  contents: read
 jobs:
   tests:
     runs-on: ubuntu-latest