1diff --git a/tools/dockerfile/interoptest/grpc_interop_ruby/Dockerfile b/tools/dockerfile/interoptest/grpc_interop_ruby/Dockerfile 2index 88b5130..7ae9f7d 100644 3--- a/tools/dockerfile/interoptest/grpc_interop_ruby/Dockerfile 4+++ b/tools/dockerfile/interoptest/grpc_interop_ruby/Dockerfile 5@@ -70,12 +70,12 @@ RUN apt-get update && apt-get install -y time && apt-get clean 6 RUN gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7 RUN \curl -sSL https://get.rvm.io | bash -s stable 8 9-# Install Ruby 2.1 10-RUN /bin/bash -l -c "rvm install ruby-2.1" 11-RUN /bin/bash -l -c "rvm use --default ruby-2.1" 12+# Install Ruby 2.1.8 13+RUN /bin/bash -l -c "rvm install ruby-2.1.8" 14+RUN /bin/bash -l -c "rvm use --default ruby-2.1.8" 15 RUN /bin/bash -l -c "echo 'gem: --no-ri --no-rdoc' > ~/.gemrc" 16 RUN /bin/bash -l -c "echo 'export PATH=/usr/local/rvm/bin:$PATH' >> ~/.bashrc" 17-RUN /bin/bash -l -c "echo 'rvm --default use ruby-2.1' >> ~/.bashrc" 18+RUN /bin/bash -l -c "echo 'rvm --default use ruby-2.1.8' >> ~/.bashrc" 19 RUN /bin/bash -l -c "gem install bundler --no-ri --no-rdoc" 20 21 # Prepare ccache 22diff --git a/tools/dockerfile/interoptest/grpc_interop_ruby/build_interop.sh b/tools/dockerfile/interoptest/grpc_interop_ruby/build_interop.sh 23index 97b3860..cec046d 100755 24--- a/tools/dockerfile/interoptest/grpc_interop_ruby/build_interop.sh 25+++ b/tools/dockerfile/interoptest/grpc_interop_ruby/build_interop.sh 26@@ -38,7 +38,7 @@ git clone --recursive /var/local/jenkins/grpc /var/local/git/grpc 27 cp -r /var/local/jenkins/service_account $HOME || true 28 29 cd /var/local/git/grpc 30-rvm --default use ruby-2.1 31+rvm --default use ruby-2.1.8 32 33 # build Ruby interop client and server 34 (cd src/ruby && gem update bundler && bundle && rake compile) 35