diff --git a/src/core/achievements.h b/src/core/achievements.h
index e14928ff3..0ce6149f3 100644
--- a/src/core/achievements.h
+++ b/src/core/achievements.h
@@ -6,8 +6,10 @@
 #include "common/small_string.h"
 #include "common/types.h"
 
+#include <array>
 #include <functional>
 #include <mutex>
+#include <optional>
 #include <span>
 #include <string>
 #include <utility>