Upgrade to Protobuf 3.5.1 and Protoc 3.5.1-1. (#3921)

protoc-3.5.0-linux-x86_64 introduced GLIBC_2.14 dependency and broke
gRPC release process (https://github.com/google/protobuf/issues/4138).
3.5.1-1 is the proper re-build.

1 files changed, 2 insertions, 2 deletions

diff --git a/README.md b/README.md
index d73de63c1..d2eb2023c 100644
--- a/README.md
+++ b/README.md
@@ -85,7 +85,7 @@ For protobuf-based codegen integrated with the Maven build system, you can use
       <artifactId>protobuf-maven-plugin</artifactId>
       <version>0.5.0</version>
       <configuration>
-        <protocArtifact>com.google.protobuf:protoc:3.5.0:exe:${os.detected.classifier}</protocArtifact>
+        <protocArtifact>com.google.protobuf:protoc:3.5.1-1:exe:${os.detected.classifier}</protocArtifact>
         <pluginId>grpc-java</pluginId>
         <pluginArtifact>io.grpc:protoc-gen-grpc-java:1.8.0:exe:${os.detected.classifier}</pluginArtifact>
       </configuration>
@@ -123,7 +123,7 @@ buildscript {
 
 protobuf {
   protoc {
-    artifact = "com.google.protobuf:protoc:3.5.0"
+    artifact = "com.google.protobuf:protoc:3.5.1-1"
   }
   plugins {
     grpc {