diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Monero C++ Library
 
-A C++ library for creating Monero applications using RPC or native bindings to [monero v0.18.5.1 'Fluorine Fermi'](https://github.com/monero-project/monero/tree/v0.18.5.1).
+A C++ library for creating Monero applications using RPC or native bindings to [monero v0.18.5.3 'Fluorine Fermi'](https://github.com/monero-project/monero/tree/v0.18.5.3).
 
 * Supports fully client-side wallets by wrapping [wallet2.h](https://github.com/monero-project/monero/blob/master/src/wallet/wallet2.h).
 * Supports wallet and daemon RPC clients.
diff --git a/external/monero-project b/external/monero-project
index a4fd0404..a135a6b8 160000
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@@ -1 +1 @@
-Subproject commit a4fd0404e215920445196394f2ecf90763e6a8bf
+Subproject commit a135a6b87a7fb47cae1ed3d6e5183dd64b380c38