diff --git a/include/boost/math/tools/polynomial.hpp b/include/boost/math/tools/polynomial.hpp
index 7ad920f16..9858880a4 100644
--- a/include/boost/math/tools/polynomial.hpp
+++ b/include/boost/math/tools/polynomial.hpp
@@ -16,6 +16,8 @@
 #include <boost/math/special_functions/binomial.hpp>
 
 #include <vector>
+#include <ostream>
+#include <algorithm>
 
 namespace boost{ namespace math{ namespace tools{