diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 4fbe70c..a026f0b 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -31,4 +31,6 @@ jobs:
       - name: Setup Homebrew
         uses: Homebrew/actions/setup-homebrew@main
       - run: brew install --build-from-source Formula/buf.rb
+        env:
+          HOMEBREW_NO_SANDBOX_LINUX: 1
       - run: buf --version
diff --git a/Formula/buf.rb b/Formula/buf.rb
index 0a0d0a7..121f56f 100644
--- a/Formula/buf.rb
+++ b/Formula/buf.rb
@@ -2,9 +2,9 @@ class Buf < Formula
   desc "The best way of working with Protocol Buffers."
   homepage "https://buf.build"
   head "https://github.com/bufbuild/buf.git", branch: "main"
-  url "https://github.com/bufbuild/buf/archive/v1.69.0.tar.gz"
-  sha256 "b5d662379d597a3010b9fde72d6102642d83b192b61138002a9a4a788e40806a"
-  version "1.69.0"
+  url "https://github.com/bufbuild/buf/archive/v1.70.0.tar.gz"
+  sha256 "7da0f12d42d00a4a4fabf89af37e2e02ad5958bc7e977a713e4bc01b2a232899"
+  version "1.70.0"
 
   depends_on "go" => :build