diff --git a/update_attempter.cc b/update_attempter.cc
index b289b1e..7152d8f 100644
--- a/update_attempter.cc
+++ b/update_attempter.cc
@@ -31,6 +31,7 @@
 #include <base/rand_util.h>
 #include <base/strings/string_util.h>
 #include <base/strings/stringprintf.h>
+#include <brillo/bind_lambda.h>
 #include <brillo/data_encoding.h>
 #include <brillo/errors/error_codes.h>
 #include <brillo/message_loops/message_loop.h>