diff --git a/adb/sysdeps/posix/network.cpp b/adb/sysdeps/posix/network.cpp
index ecd1fd24e..07fd8c98e 100644
--- a/adb/sysdeps/posix/network.cpp
+++ b/adb/sysdeps/posix/network.cpp
@@ -19,6 +19,7 @@
 #include <errno.h>
 #include <netinet/in.h>
 #include <sys/socket.h>
+#include <string.h>
 
 #include <string>
 
diff --git a/adb/types.h b/adb/types.h
index a3e5d4842..bac7181b4 100644
--- a/adb/types.h
+++ b/adb/types.h
@@ -22,6 +22,7 @@
 #include <type_traits>
 #include <utility>
 #include <vector>
+#include <string.h>
 
 #include <android-base/logging.h>
 
diff --git a/base/errors_unix.cpp b/base/errors_unix.cpp
index 296995efe..48269b675 100644
--- a/base/errors_unix.cpp
+++ b/base/errors_unix.cpp
@@ -17,6 +17,7 @@
 #include "android-base/errors.h"
 
 #include <errno.h>
+#include <string.h>
 
 namespace android {
 namespace base {
diff --git a/base/file.cpp b/base/file.cpp
index d6fe753d1..3b10544dd 100644
--- a/base/file.cpp
+++ b/base/file.cpp
@@ -22,6 +22,7 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
+#include <string.h>
 
 #include <memory>
 #include <mutex>