diff --git a/2017/puzzle-02-01.cc b/2017/puzzle-02-01.cc
index 150cf05..572982f 100644
--- a/2017/puzzle-02-01.cc
+++ b/2017/puzzle-02-01.cc
@@ -1,6 +1,8 @@
 #include <algorithm>
+#include <cstdint>
 #include <iostream>
 #include <string>
+#include <vector>
 
 auto main() -> int
 {
diff --git a/2017/puzzle-02-02.cc b/2017/puzzle-02-02.cc
index fe94172..97347ef 100644
--- a/2017/puzzle-02-02.cc
+++ b/2017/puzzle-02-02.cc
@@ -1,6 +1,8 @@
 #include <algorithm>
+#include <cstdint>
 #include <iostream>
 #include <string>
+#include <vector>
 
 auto main() -> int
 {