diff --git a/include/eventpp/utilities/conditionalfunctor.h b/include/eventpp/utilities/conditionalfunctor.h
index e90cc37..788b388 100644
--- a/include/eventpp/utilities/conditionalfunctor.h
+++ b/include/eventpp/utilities/conditionalfunctor.h
@@ -14,6 +14,8 @@
 #ifndef CONDITIONALFUNCTOR_H_828958739581
 #define CONDITIONALFUNCTOR_H_828958739581
 
+#include <utility>
+
 namespace eventpp {
 
 template <typename Func, typename Condition>
diff --git a/include/eventpp/utilities/scopedremover.h b/include/eventpp/utilities/scopedremover.h
index 48d7252..ab2dadc 100644
--- a/include/eventpp/utilities/scopedremover.h
+++ b/include/eventpp/utilities/scopedremover.h
@@ -18,6 +18,7 @@
 
 #include <memory>
 #include <vector>
+#include <algorithm>
 
 namespace eventpp {