diff --git a/.github/workflows/autobuild.yaml b/.github/workflows/autobuild.yaml
index d752c2f..7146a13 100644
--- a/.github/workflows/autobuild.yaml
+++ b/.github/workflows/autobuild.yaml
@@ -228,7 +228,7 @@ jobs:
         # We use the same version of gRPC for LLVM's clangd-ubuntu-tsan
         # buildbot.
         # https://github.com/llvm/llvm-zorg/blob/main/buildbot/google/docker/buildbot-clangd-ubuntu-clang/Dockerfile
-        ref: v1.36.3
+        ref: v1.71.0
         submodules: recursive
     - name: Build gRPC
       run: >