diff --git a/.github/workflows/build-dev.yml b/.github/workflows/build-dev.yml
index e908c77f8..566b807e0 100644
--- a/.github/workflows/build-dev.yml
+++ b/.github/workflows/build-dev.yml
@@ -12,6 +12,9 @@ on:
     tags:
       - '*'
 
+permissions:
+  contents: read
+
 jobs:
   nuget:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index af034fef6..124a43967 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -2,6 +2,9 @@ name: Build and test PRs
 
 on: [pull_request]
 
+permissions:
+  contents: read
+
 jobs:
   test:
     runs-on: windows-latest