diff --git a/libcxx/utils/ci/run-buildbot.sh b/libcxx/utils/ci/run-buildbot.sh
--- a/libcxx/utils/ci/run-buildbot.sh
+++ b/libcxx/utils/ci/run-buildbot.sh
@@ -153,5 +153,8 @@
 echo "+++ Installing libc++ and libc++abi to a fake location"
 ninja -C "${BUILD_DIR}" install-cxx install-cxxabi
 
+echo "+++ Building the benchmarks"
+ninja -C "${BUILD_DIR} cxx-benchmarks"
+
 # echo "+++ Running the libc++ benchmarks"
 # ninja -C "${BUILD_DIR}" check-cxx-benchmarks