diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9bf8e75..a80e98a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,6 +4,10 @@ on:
   push:
     branches:
       - master
+
+permissions:
+  contents: read
+
 jobs:
   test:
     strategy:
diff --git a/.github/workflows/lsif.yml b/.github/workflows/lsif.yml
index 83d4bfd..fbb6b0a 100644
--- a/.github/workflows/lsif.yml
+++ b/.github/workflows/lsif.yml
@@ -1,6 +1,10 @@
 name: LSIF
 on:
   - push
+
+permissions:
+  contents: read
+
 jobs:
   lsif-go:
     runs-on: ubuntu-latest