diff --git a/third_party/benchmark b/third_party/benchmark
new file mode 160000
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--- /dev/null
+++ b/third_party/benchmark
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+Subproject commit bf585a2789e30585b4e3ce6baf11ef2750b54677
diff --git a/third_party/googletest b/third_party/googletest
new file mode 160000
index 0000000..18f8200
--- /dev/null
+++ b/third_party/googletest
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+Subproject commit 18f8200e3079b0e54fa00cb7ac55d4c39dcf6da6