diff --git a/3rdparty/benchmark/src/colorprint.cc b/3rdparty/benchmark/src/colorprint.cc
index b7d316fea39..4e4ad51b8fc 100644
--- a/3rdparty/benchmark/src/colorprint.cc
+++ b/3rdparty/benchmark/src/colorprint.cc
@@ -24,7 +24,7 @@
 #include "internal_macros.h"
 
 #ifdef BENCHMARK_OS_WINDOWS
-#include <Windows.h>
+#include <windows.h>
 #endif
 
 namespace benchmark {
diff --git a/3rdparty/benchmark/src/sleep.cc b/3rdparty/benchmark/src/sleep.cc
index 918abc485dc..8f102d5402b 100644
--- a/3rdparty/benchmark/src/sleep.cc
+++ b/3rdparty/benchmark/src/sleep.cc
@@ -20,7 +20,7 @@
 #include "internal_macros.h"
 
 #ifdef BENCHMARK_OS_WINDOWS
-#include <Windows.h>
+#include <windows.h>
 #endif
 
 namespace benchmark {
diff --git a/3rdparty/benchmark/src/sysinfo.cc b/3rdparty/benchmark/src/sysinfo.cc
index 483ea8a9e9c..28c8814ccc7 100644
--- a/3rdparty/benchmark/src/sysinfo.cc
+++ b/3rdparty/benchmark/src/sysinfo.cc
@@ -16,9 +16,9 @@
 #include "internal_macros.h"
 
 #ifdef BENCHMARK_OS_WINDOWS
-#include <Shlwapi.h>
-#include <Windows.h>
-#include <VersionHelpers.h>
+#include <shlwapi.h>
+#include <windows.h>
+#include <versionhelpers.h>
 #else
 #include <fcntl.h>
 #include <sys/resource.h>
diff --git a/3rdparty/benchmark/src/timers.cc b/3rdparty/benchmark/src/timers.cc
index 95e6ceb55a9..772bb032499 100644
--- a/3rdparty/benchmark/src/timers.cc
+++ b/3rdparty/benchmark/src/timers.cc
@@ -16,9 +16,9 @@
 #include "internal_macros.h"
 
 #ifdef BENCHMARK_OS_WINDOWS
-#include <Shlwapi.h>
-#include <VersionHelpers.h>
-#include <Windows.h>
+#include <shlwapi.h>
+#include <versionhelpers.h>
+#include <windows.h>
 #else
 #include <fcntl.h>
 #include <sys/resource.h>