diff --git a/projects/AriaPilotDatasetTools/PilotDataset.cpp b/projects/AriaPilotDatasetTools/PilotDataset.cpp
index f57fa14..dd8bcdb 100644
--- a/projects/AriaPilotDatasetTools/PilotDataset.cpp
+++ b/projects/AriaPilotDatasetTools/PilotDataset.cpp
@@ -16,6 +16,9 @@
 
 #include "PilotDataset.h"
 
+#include <filesystem>
+#include <iostream>
+
 #include "AriaStreamIds.h"
 #include "utils.h"
 
@@ -24,8 +27,6 @@
 #endif
 #include "fast-cpp-csv-parser/csv.h"
 
-#include <filesystem>
-
 namespace {
 constexpr const char* kTrajectoryPathSuffix = "location/trajectory.csv";
 constexpr const char* kEyetrackingPathSuffix = "eyetracking/et_in_rgb_stream.csv";
diff --git a/projects/AriaPilotDatasetTools/viewer/main.cpp b/projects/AriaPilotDatasetTools/viewer/main.cpp
index 6b0fac7..58c5297 100644
--- a/projects/AriaPilotDatasetTools/viewer/main.cpp
+++ b/projects/AriaPilotDatasetTools/viewer/main.cpp
@@ -16,8 +16,10 @@
 
 #include <chrono>
 #include <filesystem>
+#include <iostream>
 #include <string>
 #include <thread>
+
 #include "AriaStreamIds.h"
 #include "PilotDatasetViewer.h"
 #include "utils.h"
diff --git a/src/data_provider/AriaVrsDataProvider.cpp b/src/data_provider/AriaVrsDataProvider.cpp
index f58ef47..dc5ddf0 100644
--- a/src/data_provider/AriaVrsDataProvider.cpp
+++ b/src/data_provider/AriaVrsDataProvider.cpp
@@ -15,11 +15,14 @@
  */
 
 #include "AriaVrsDataProvider.h"
-#include "AriaStreamIds.h"
+
+#include <iostream>
 
 #include <fmt/core.h>
 #include <fmt/ostream.h>
 
+#include "AriaStreamIds.h"
+
 namespace {
 
 void printDataLayout(const vrs::CurrentRecord& r, vrs::DataLayout& dataLayout) {
diff --git a/src/data_provider/data_layout/aria/sample_app/AriaFileReader.cpp b/src/data_provider/data_layout/aria/sample_app/AriaFileReader.cpp
index 71bc446..4e06863 100644
--- a/src/data_provider/data_layout/aria/sample_app/AriaFileReader.cpp
+++ b/src/data_provider/data_layout/aria/sample_app/AriaFileReader.cpp
@@ -15,9 +15,10 @@
  */
 
 #include <cassert>
-
 #include <cstdio>
 
+#include <iostream>
+
 #include <vrs/ErrorCode.h>
 #include <vrs/RecordFileReader.h>
 #include <vrs/RecordFormatStreamPlayer.h>
diff --git a/src/data_provider/mps_visualization/main_eyegaze.cpp b/src/data_provider/mps_visualization/main_eyegaze.cpp
index 73c9e2b..cf25b50 100644
--- a/src/data_provider/mps_visualization/main_eyegaze.cpp
+++ b/src/data_provider/mps_visualization/main_eyegaze.cpp
@@ -15,8 +15,10 @@
  */
 
 #include <chrono>
+#include <iostream>
 #include <string>
 #include <thread>
+
 #include "AriaStreamIds.h"
 #include "AriaViewer.h"
 
diff --git a/src/experimental/main.cpp b/src/experimental/main.cpp
index 6ef038a..fb3418c 100644
--- a/src/experimental/main.cpp
+++ b/src/experimental/main.cpp
@@ -15,6 +15,7 @@
  */
 
 #include <cstdlib>
+#include <iostream>
 #include <string>
 
 #include <fmt/core.h>
diff --git a/src/sensors/utility/VrsUtils.cpp b/src/sensors/utility/VrsUtils.cpp
index 5ddd297..8aefa02 100644
--- a/src/sensors/utility/VrsUtils.cpp
+++ b/src/sensors/utility/VrsUtils.cpp
@@ -18,6 +18,7 @@
 
 #include <filesystem>
 #include <fstream>
+#include <iostream>
 #include <sstream>
 
 namespace ark::datatools::sensors {
diff --git a/src/visualization/main.cpp b/src/visualization/main.cpp
index 594cfca..4e6bbdd 100644
--- a/src/visualization/main.cpp
+++ b/src/visualization/main.cpp
@@ -16,8 +16,10 @@
 
 #include <chrono>
 #include <filesystem>
+#include <iostream>
 #include <string>
 #include <thread>
+
 #include "AriaStreamIds.h"
 #include "AriaViewer.h"
 #include "utils.h"
diff --git a/src/visualization/main_multi.cpp b/src/visualization/main_multi.cpp
index 72ff888..2239ad2 100644
--- a/src/visualization/main_multi.cpp
+++ b/src/visualization/main_multi.cpp
@@ -16,8 +16,10 @@
 
 #include <chrono>
 #include <filesystem>
+#include <iostream>
 #include <string>
 #include <thread>
+
 #include "AriaStreamIds.h"
 #include "AriaViewer.h"
 #include "utils.h"