diff --git a/tools/chunks/catchunks/pipeline-interests-fixed.hpp b/tools/chunks/catchunks/pipeline-interests-fixed.hpp
index a317ad2..8e9e3ce 100644
--- a/tools/chunks/catchunks/pipeline-interests-fixed.hpp
+++ b/tools/chunks/catchunks/pipeline-interests-fixed.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2016-2022,  Regents of the University of California,
+ * Copyright (c) 2016-2024,  Regents of the University of California,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University.
  *
@@ -32,6 +32,8 @@
 
 #include "pipeline-interests.hpp"
 
+#include <vector>
+
 namespace ndn::chunks {
 
 class DataFetcher;
@@ -81,7 +83,7 @@
   handleFail(const std::string& reason, size_t pipeNo);
 
 private:
-  std::vector<std::pair<shared_ptr<DataFetcher>, uint64_t>> m_segmentFetchers;
+  std::vector<std::pair<std::shared_ptr<DataFetcher>, uint64_t>> m_segmentFetchers;
 
   /**
    * true if one or more segment fetchers encountered an error; if m_hasFinalBlockId