diff --git a/clang-tools-extra/clang-tidy/abseil/DurationRewriter.cpp b/clang-tools-extra/clang-tidy/abseil/DurationRewriter.cpp
index 671ed65d3c5784..68e8bcf50c3657 100644
--- a/clang-tools-extra/clang-tidy/abseil/DurationRewriter.cpp
+++ b/clang-tools-extra/clang-tidy/abseil/DurationRewriter.cpp
@@ -6,6 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include <cmath>
+
 #include "DurationRewriter.h"
 #include "clang/Tooling/FixIt.h"
 #include "llvm/ADT/IndexedMap.h"