diff --git a/src/dummy_pick_place.cpp b/src/dummy_pick_place.cpp
index b4ada058b880dcf13b14a76386bb4d6de4a33da5..3baaa95eb275b2e78c89f5171813e4b7125454e4 100644
--- a/src/dummy_pick_place.cpp
+++ b/src/dummy_pick_place.cpp
@@ -14,6 +14,7 @@
 
 #include <google/protobuf/text_format.h>
 #include <random>
+#include <optional>
 
 #include "connector.pb.h"
 
@@ -202,4 +203,4 @@ int main(int argc, char **argv) {
     }
 
     return 0;
-}
\ No newline at end of file
+}