diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index cc4c6ea7..a7e5ad9d 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [main]
 
+permissions:
+  contents: read
+
 jobs:
   go:
     runs-on: ubuntu-24.04
diff --git a/.github/workflows/nightly_binaries.yml b/.github/workflows/nightly_binaries.yml
index 59e20a9b..570897a4 100644
--- a/.github/workflows/nightly_binaries.yml
+++ b/.github/workflows/nightly_binaries.yml
@@ -3,6 +3,9 @@ name: nightly_binaries
 on:
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   nightly_binaries:
     runs-on: ubuntu-24.04
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 58cbe9dd..f08bd06d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [main]
 
+permissions:
+  contents: read
+
 jobs:
   test_64:
     runs-on: ubuntu-24.04