diff --git a/circle.yml b/circle.yml
index 8799c4c7a2..8a8d7dedcb 100644
--- a/circle.yml
+++ b/circle.yml
@@ -3,7 +3,7 @@ machine:
         OS: "linux"
         ARCH: "amd64"
 
-        PROTOC: "https://github.com/google/protobuf/releases/download/v3.2.0/protoc-3.2.0-linux-x86_64.zip"
+        PROTOC: "https://github.com/google/protobuf/releases/download/v3.5.0/protoc-3.5.0-linux-x86_64.zip"
 
         GOVERSION: "1.8.4"
         GOPATH: "$HOME/.go_workspace"