diff --git a/core/base/errors_unix.cpp b/core/base/errors_unix.cpp
index 296995e..48269b6 100644
--- a/core/base/errors_unix.cpp
+++ b/core/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/core/base/file.cpp b/core/base/file.cpp
index 81b04d7..2fd2b6e 100644
--- a/core/base/file.cpp
+++ b/core/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>
diff --git a/core/base/logging.cpp b/core/base/logging.cpp
index 6357b4b..3c7dbce 100644
--- a/core/base/logging.cpp
+++ b/core/base/logging.cpp
@@ -23,6 +23,7 @@
 #include <inttypes.h>
 #include <libgen.h>
 #include <time.h>
+#include <string.h>
 
 // For getprogname(3) or program_invocation_short_name.
 #if defined(__ANDROID__) || defined(__APPLE__)