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-rw-r--r--tools/dockerfile/grpc_clang_format/Dockerfile1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/dockerfile/grpc_clang_format/Dockerfile b/tools/dockerfile/grpc_clang_format/Dockerfile
index 4338b83e32..ab58017a02 100644
--- a/tools/dockerfile/grpc_clang_format/Dockerfile
+++ b/tools/dockerfile/grpc_clang_format/Dockerfile
@@ -32,6 +32,7 @@ RUN apt-get update
RUN apt-get -y install wget
RUN echo deb http://llvm.org/apt/wily/ llvm-toolchain-wily-3.8 main >> /etc/apt/sources.list
RUN echo deb-src http://llvm.org/apt/wily/ llvm-toolchain-wily-3.8 main >> /etc/apt/sources.list
+RUN wget -O - http://llvm.org/apt/llvm-snapshot.gpg.key| apt-key add -
RUN apt-get update
RUN apt-get -y install clang-format-3.8
ADD clang_format_all_the_things.sh /