diff --git a/README.md b/README.md
index a3cea66..90ec381 100644
--- a/README.md
+++ b/README.md
@@ -347,6 +347,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [C++ B-tree](https://github.com/algorithm-ninja/cpp-btree) - A template library that implements ordered in-memory containers based on a B-tree data structure. [Apache2]
 * [dynamic_bitset](https://github.com/pinam45/dynamic_bitset) - A C++17 header-only dynamic bitset. [MIT]
 * [flat_hash_map](https://github.com/skarupke/flat_hash_map) - A very fast flat hashtable with Fibonacci hashing.
+* [frozen](https://github.com/serge-sans-paille/frozen) - a header-only, constexpr alternative to gperf for C++14 users. [Apache-2.0]
 * [Hashmaps](https://github.com/goossaert/hashmap) - Implementation of open addressing hash table algorithms in C++. [MIT]
 * [hat-trie](https://github.com/Tessil/hat-trie) - C++ implementation of a fast and memory efficient HAT-trie. [MIT]
 * [Hopscotch map](https://github.com/Tessil/hopscotch-map) - A fast header-only hash map which uses hopscotch hashing for collisions resolution. [MIT]