3 files changed, 3 insertions, 0 deletions

diff --git a/lib/consumer.cc b/lib/consumer.cc
index f9212ea..d578546 100644
--- a/lib/consumer.cc
+++ b/lib/consumer.cc
@@ -1,8 +1,9 @@
 #include <algorithm>
 #include <cassert>
+#include <cstring>
 #include <opkele/util.h>
 #include <opkele/exception.h>
 #include <opkele/data.h>
 #include <opkele/consumer.h>
 #include <openssl/sha.h>
 #include <openssl/hmac.h>
diff --git a/lib/server.cc b/lib/server.cc
index b1c5c3a..aa61035 100644
--- a/lib/server.cc
+++ b/lib/server.cc
@@ -1,6 +1,7 @@
+#include <cstring>
 #include <vector>
 #include <openssl/sha.h>
 #include <openssl/hmac.h>
 #include <opkele/util.h>
 #include <opkele/exception.h>
 #include <opkele/server.h>
diff --git a/lib/util.cc b/lib/util.cc
index 94e09ed..26be66a 100644
--- a/lib/util.cc
+++ b/lib/util.cc
@@ -1,8 +1,9 @@
 #include <errno.h>
 #include <cassert>
+#include <cstring>
 #include <vector>
 #include <string>
 #include <openssl/bio.h>
 #include <openssl/evp.h>
 #include <curl/curl.h>
 #include "opkele/util.h"