diff --git a/tests/test_common/keyboard_report_util.cpp b/tests/test_common/keyboard_report_util.cpp
index 5e40323669..dea61efcd1 100644
--- a/tests/test_common/keyboard_report_util.cpp
+++ b/tests/test_common/keyboard_report_util.cpp
@@ -18,6 +18,7 @@
 #include <cstdint>
 #include <vector>
 #include <algorithm>
+#include <iomanip>
 
 extern "C" {
 #include "keycode_string.h"
diff --git a/tests/test_common/mouse_report_util.cpp b/tests/test_common/mouse_report_util.cpp
index 60cdeced24..948b3c1121 100644
--- a/tests/test_common/mouse_report_util.cpp
+++ b/tests/test_common/mouse_report_util.cpp
@@ -18,6 +18,7 @@
 #include <cstdint>
 #include <vector>
 #include <algorithm>
+#include <iomanip>
 
 using namespace testing;
 
diff --git a/tests/test_common/test_driver.cpp b/tests/test_common/test_driver.cpp
index 70b920ac86..2ab692256b 100644
--- a/tests/test_common/test_driver.cpp
+++ b/tests/test_common/test_driver.cpp
@@ -15,6 +15,7 @@
  */
 
 #include "test_driver.hpp"
+#include <iomanip>
 
 TestDriver* TestDriver::m_this = nullptr;
 
diff --git a/tests/test_common/test_keymap_key.cpp b/tests/test_common/test_keymap_key.cpp
index 63ae29975b..3435382c04 100644
--- a/tests/test_common/test_keymap_key.cpp
+++ b/tests/test_common/test_keymap_key.cpp
@@ -15,6 +15,7 @@
  */
 
 #include "test_keymap_key.hpp"
+#include <iomanip>
 #include <cstdint>
 #include <ios>
 #include "matrix.h"