diff --git a/.github/workflows/test-matrix-2-levels.yml b/.github/workflows/test-matrix-2-levels.yml
index 8ab0ca0..7642ddb 100644
--- a/.github/workflows/test-matrix-2-levels.yml
+++ b/.github/workflows/test-matrix-2-levels.yml
@@ -7,6 +7,10 @@ on:
 #  pull_request: {}
   workflow_dispatch: {}
 
+permissions:
+  id-token: write
+  contents: read
+
 jobs:
   setup:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/test-matrix-3-levels.yml b/.github/workflows/test-matrix-3-levels.yml
index f5103d9..47978bc 100644
--- a/.github/workflows/test-matrix-3-levels.yml
+++ b/.github/workflows/test-matrix-3-levels.yml
@@ -7,6 +7,10 @@ on:
 #  pull_request: {}
   workflow_dispatch: {}
 
+permissions:
+  id-token: write
+  contents: read
+
 jobs:
   setup:
     runs-on: ubuntu-latest