diff --git a/include/edyn/constraints/cone_constraint.hpp b/include/edyn/constraints/cone_constraint.hpp
index e9353480..29a0c863 100644
--- a/include/edyn/constraints/cone_constraint.hpp
+++ b/include/edyn/constraints/cone_constraint.hpp
@@ -1,6 +1,8 @@
 #ifndef EDYN_CONSTRAINTS_CONE_CONSTRAINT_HPP
 #define EDYN_CONSTRAINTS_CONE_CONSTRAINT_HPP
 
+#include <array>
+#include <vector>
 #include "edyn/constraints/constraint_base.hpp"
 #include "edyn/constraints/constraint_body.hpp"
 #include "edyn/math/matrix3x3.hpp"
diff --git a/include/edyn/constraints/gravity_constraint.hpp b/include/edyn/constraints/gravity_constraint.hpp
index b4954c43..451fff95 100644
--- a/include/edyn/constraints/gravity_constraint.hpp
+++ b/include/edyn/constraints/gravity_constraint.hpp
@@ -1,6 +1,7 @@
 #ifndef EDYN_CONSTRAINTS_GRAVITY_CONSTRAINT_HPP
 #define EDYN_CONSTRAINTS_GRAVITY_CONSTRAINT_HPP
 
+#include <vector>
 #include <entt/entity/fwd.hpp>
 #include "edyn/math/scalar.hpp"
 #include "edyn/constraints/constraint_base.hpp"