diff --git a/centipede/rusage_profiler_test.cc b/centipede/rusage_profiler_test.cc
index 9b0ba20..7076d1f 100644
--- a/centipede/rusage_profiler_test.cc
+++ b/centipede/rusage_profiler_test.cc
@@ -109,7 +109,7 @@
   // Allocate A LOT of memory to fight the small numbers volatility, in
   // particular in the virtual memory size and peak, which grow in page
   // increments.
-  constexpr int64_t kGobbleBytes = 10'000'000'000;
+  constexpr int64_t kGobbleBytes = 1'000'000'000;
   constexpr absl::Duration kWasteTime = absl::Seconds(2);
   const auto rusage_scope = RUsageScope::ThisProcess();