diff --git a/include/cantera/base/ct_defs.h b/include/cantera/base/ct_defs.h
index d32850701..c4aeed9bf 100644
--- a/include/cantera/base/ct_defs.h
+++ b/include/cantera/base/ct_defs.h
@@ -23,6 +23,7 @@
 #include <vector>
 #include <map>
 #include <string>
+#include <algorithm>
 
 /**
  * Namespace for the Cantera kernel.
diff --git a/include/cantera/tpx/Sub.h b/include/cantera/tpx/Sub.h
index 7c019c945..677e21933 100644
--- a/include/cantera/tpx/Sub.h
+++ b/include/cantera/tpx/Sub.h
@@ -3,6 +3,7 @@
 #define TPX_SUB_H
 
 #include "cantera/base/ctexceptions.h"
+#include <algorithm>
 
 namespace tpx
 {
diff --git a/src/base/ct2ctml.cpp b/src/base/ct2ctml.cpp
index f8c17b9db..36bc5d5d5 100644
--- a/src/base/ct2ctml.cpp
+++ b/src/base/ct2ctml.cpp
@@ -14,6 +14,7 @@
 
 #include <fstream>
 #include <sstream>
+#include <functional>
 
 using namespace Cantera;
 using namespace std;