diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 43549531a4afa8f4bc83cdac90d05243ebdfb7a1..77d966c84bd25c637b0158d32db52cff9f3c8954 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -64,6 +64,8 @@ jobs:
           fi
 
       - uses: bufbuild/buf-setup-action@v1
+        with:
+          version: v1.29.0
       - uses: bufbuild/buf-breaking-action@v1
         with:
           input: "crates/rpc/proto/"