diff --git a/colour.cpp b/colour.cpp
index 9eade608..4d0e5c1d 100644
--- a/colour.cpp
+++ b/colour.cpp
@@ -20,6 +20,7 @@
 #include "random.hpp"
 #include "stream.hpp"
 
+#include <array>
 #include <map>
 
 //-----------------------------------------------------------------------------
diff --git a/posix/dir.ipp b/posix/dir.ipp
index 7b2fa4c8..a1ea6567 100644
--- a/posix/dir.ipp
+++ b/posix/dir.ipp
@@ -16,6 +16,9 @@
 
 #include "../except.hpp"
 
+#include <cerrno>
+
+
 ///////////////////////////////////////////////////////////////////////////////
 template <typename ...Args>
 void
diff --git a/test/cmdopt.cpp b/test/cmdopt.cpp
index 356301fa..8b7432cf 100644
--- a/test/cmdopt.cpp
+++ b/test/cmdopt.cpp
@@ -5,6 +5,8 @@
 #include "types.hpp"
 #include "maths.hpp"
 
+#include <array>
+
 
 ///////////////////////////////////////////////////////////////////////////////
 // Check that null options don't strhrow anything