diff --git a/test/snippet/readme.cpp b/test/snippet/readme.cpp
index 10f3d1f2..6e4b380c 100644
--- a/test/snippet/readme.cpp
+++ b/test/snippet/readme.cpp
@@ -1,4 +1,13 @@
-#include <hibf/hierarchical_interleaved_bloom_filter.hpp>
+#include <algorithm>  // for copy
+#include <cinttypes>  // for uint64_t, int64_t
+#include <cstddef>    // for size_t
+#include <functional> // for function
+#include <iostream>   // for operator<<, basic_ostream, char_traits, cout
+#include <ranges>     // for _Iota, iota, views
+#include <vector>     // for vector
+
+#include <hibf/config.hpp>                                // for config, insert_iterator
+#include <hibf/hierarchical_interleaved_bloom_filter.hpp> // for hierarchical_interleaved_bloom_filter
 
 int main()
 {