diff --git a/error/src/error.cpp b/error/src/error.cpp
index c054dac14..d4e83560d 100644
--- a/error/src/error.cpp
+++ b/error/src/error.cpp
@@ -5,6 +5,7 @@
 
 #include <network/error.hpp>
 #include <cstring>
+#include <string>
 
 namespace network {
 
diff --git a/http/src/http/v2/client/client_errors.cpp b/http/src/http/v2/client/client_errors.cpp
index e8735a852..184ddc904 100644
--- a/http/src/http/v2/client/client_errors.cpp
+++ b/http/src/http/v2/client/client_errors.cpp
@@ -5,6 +5,7 @@
 
 #include <network/config.hpp>
 #include <network/http/v2/client/client_errors.hpp>
+#include <string>
 
 namespace network {
   namespace http {