diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index 82700df..0b7bb39 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -6,6 +6,8 @@ on:
   schedule:
     - cron: '4 0 * * SUN'
 
+permissions: {}
+
 jobs:
   rubocop:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e06bc3d..651251a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,6 +6,8 @@ on:
   schedule:
     - cron: '4 1 * * SUN'
 
+permissions: {}
+
 jobs:
   test:
     runs-on: ${{ matrix.os }}
diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
index c09cf12..5c7ec52 100644
--- a/.github/workflows/zizmor.yml
+++ b/.github/workflows/zizmor.yml
@@ -27,6 +27,6 @@ jobs:
           enable-cache: false
 
       - name: Run zizmor
-        run: uvx zizmor --format plain .
+        run: uvx zizmor@1.2.2 --format plain .
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}