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-rw-r--r--tools/internal_ci/helper_scripts/prepare_build_macos_interop_rc1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/internal_ci/helper_scripts/prepare_build_macos_interop_rc b/tools/internal_ci/helper_scripts/prepare_build_macos_interop_rc
index bb046defb1..6ecf51dd3f 100644
--- a/tools/internal_ci/helper_scripts/prepare_build_macos_interop_rc
+++ b/tools/internal_ci/helper_scripts/prepare_build_macos_interop_rc
@@ -25,6 +25,7 @@ cp -R ./ /Users/kbuilder/workspace/grpc
cd /Users/kbuilder/workspace/grpc
# Needed for identifying Docker image sha1
+brew update
brew install md5sha1sum
# Set up gRPC-Go and gRPC-Java to test