diff --git a/shell/platform/linux/fl_standard_message_codec.cc b/shell/platform/linux/fl_standard_message_codec.cc
index 61d7193dc0edc..98c700d199bca 100644
--- a/shell/platform/linux/fl_standard_message_codec.cc
+++ b/shell/platform/linux/fl_standard_message_codec.cc
@@ -6,6 +6,7 @@
 #include "flutter/shell/platform/linux/fl_standard_message_codec_private.h"
 
 #include <gmodule.h>
+#include <cstring>
 
 // See lib/src/services/message_codecs.dart in Flutter source for description of
 // encoding.
diff --git a/shell/platform/linux/fl_string_codec.cc b/shell/platform/linux/fl_string_codec.cc
index 75ddbe9215542..7aa504f47a3c8 100644
--- a/shell/platform/linux/fl_string_codec.cc
+++ b/shell/platform/linux/fl_string_codec.cc
@@ -5,6 +5,7 @@
 #include "flutter/shell/platform/linux/public/flutter_linux/fl_string_codec.h"
 
 #include <gmodule.h>
+#include <cstring>
 
 G_DEFINE_QUARK(fl_string_codec_error_quark, fl_string_codec_error)
 
diff --git a/shell/platform/linux/fl_value.cc b/shell/platform/linux/fl_value.cc
index d65f02ced05c0..1923ca206d566 100644
--- a/shell/platform/linux/fl_value.cc
+++ b/shell/platform/linux/fl_value.cc
@@ -5,6 +5,7 @@
 #include "flutter/shell/platform/linux/public/flutter_linux/fl_value.h"
 
 #include <gmodule.h>
+#include <cstring>
 
 struct _FlValue {
   FlValueType type;