diff --git a/Convex_hull_2/package_info/Convex_hull_2/dependencies b/Convex_hull_2/package_info/Convex_hull_2/dependencies
index 0caa88d0150..d5197515f41 100644
--- a/Convex_hull_2/package_info/Convex_hull_2/dependencies
+++ b/Convex_hull_2/package_info/Convex_hull_2/dependencies
@@ -8,3 +8,5 @@ Number_types
 Profiling_tools
 STL_Extension
 Stream_support
+Property_map
+