diff --git a/include/libnpy/npy.hpp b/include/libnpy/npy.hpp
index 24244ca..e4f2215 100644
--- a/include/libnpy/npy.hpp
+++ b/include/libnpy/npy.hpp
@@ -35,7 +35,9 @@
 #include <algorithm>
 #include <regex>
 #include <unordered_map>
-
+#include <type_traits>
+#include <iterator>
+#include <utility>
 
 namespace npy {