diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 83ff0de..aa4e5de 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,5 +1,5 @@
 env:
-  proto_version: '27.0'
+  proto_version: '27.2'
   USE_BAZEL_VERSION: '6.4.0'
 name: Conformance Runner
 on: [push]