diff --git a/benchmarking/CMakeLists.txt b/benchmarking/CMakeLists.txt
index 40e96b7b6..ba603e031 100644
--- a/benchmarking/CMakeLists.txt
+++ b/benchmarking/CMakeLists.txt
@@ -10,7 +10,7 @@
 
 # Find Google Benchmark. Note that benchmark_DIR must be pointed at an
 # installation, not a build directory.
-find_package(benchmark)
+find_package(benchmark REQUIRED)
 
 function(add_benchmark)
   set(options)