diff --git a/TopologicCore/include/Geometry.h b/TopologicCore/include/Geometry.h
index 66ac43d..d9cfa22 100644
--- a/TopologicCore/include/Geometry.h
+++ b/TopologicCore/include/Geometry.h
@@ -18,6 +18,8 @@
 
 #include "Utilities.h"
 
+#include <memory>
+
 namespace TopologicCore
 {
 	class Geometry
diff --git a/TopologicCore/include/GlobalCluster.h b/TopologicCore/include/GlobalCluster.h
index d4b2438..d9bd0c6 100644
--- a/TopologicCore/include/GlobalCluster.h
+++ b/TopologicCore/include/GlobalCluster.h
@@ -20,6 +20,8 @@
 
 #include <TopoDS_Builder.hxx>
 #include <TopoDS_Compound.hxx>
+#include <iostream>
+#include <memory>
 
 #include <list>
 
diff --git a/TopologicCore/include/Topology.h b/TopologicCore/include/Topology.h
index 4e53f1f..3d952e3 100644
--- a/TopologicCore/include/Topology.h
+++ b/TopologicCore/include/Topology.h
@@ -41,6 +41,7 @@
 #include <vector>
 #include <map>
 #include <memory>
+#include <algorithm>
 
 class TopoDS_Shape;