diff --git a/pkgs/applications/blockchains/bitcoin-knots/default.nix b/pkgs/applications/blockchains/bitcoin-knots/default.nix
index 6d934130acd1..f4c67304d565 100644
--- a/pkgs/applications/blockchains/bitcoin-knots/default.nix
+++ b/pkgs/applications/blockchains/bitcoin-knots/default.nix
@@ -10,6 +10,7 @@
   wrapQtAppsHook ? null,
   boost,
   libevent,
+  libsodium,
   zeromq,
   zlib,
   db48,
@@ -67,6 +68,7 @@ stdenv.mkDerivation (finalAttrs: {
   buildInputs = [
     boost
     libevent
+    libsodium
     zeromq
     zlib
   ]