diff --git a/libs/gfx/include/psemek/gfx/gltf_parser.hpp b/libs/gfx/include/psemek/gfx/gltf_parser.hpp
index ede3613c..976c871a 100644
--- a/libs/gfx/include/psemek/gfx/gltf_parser.hpp
+++ b/libs/gfx/include/psemek/gfx/gltf_parser.hpp
@@ -9,6 +9,7 @@
 #include <string>
 #include <optional>
 #include <variant>
+#include <unordered_map>
 
 namespace psemek::gfx
 {