diff --git a/ci/semver.sh b/ci/semver.sh
index fb58415e3e0f49c878c9ed3a6db8e304efeea785..35715dcf233e69d1965e96230e57c3f84e6797e1 100644
--- a/ci/semver.sh
+++ b/ci/semver.sh
@@ -13,7 +13,7 @@ if ! rustc --version | grep -E "nightly" ; then
     exit 1
 fi
 
-rustup component add rustc-dev
+rustup component add rustc-dev llvm-tools-preview
 
 # FIXME: Use upstream once it gets rustup.
 cargo +nightly install semververfork