diff --git a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.mask b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.mask
index ca89724727..d09537a81b 100644
--- a/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.mask
+++ b/sdk_container/src/third_party/coreos-overlay/profiles/coreos/base/package.mask
@@ -17,3 +17,6 @@
 
 # Update engine needs updating to use a newer version of protobuf.
 >=dev-libs/protobuf-22.0
+
+# Pulls in LLVM and clang.
+>=sys-block/thin-provisioning-tools-1.0.14