diff --git a/pkgs/applications/blockchains/bitcoin-abc.nix b/pkgs/applications/blockchains/bitcoin-abc.nix
index 1fb4078696b8..afc5b40f9db5 100644
--- a/pkgs/applications/blockchains/bitcoin-abc.nix
+++ b/pkgs/applications/blockchains/bitcoin-abc.nix
@@ -7,13 +7,13 @@ with stdenv.lib;
 mkDerivation rec {
 
   name = "bitcoin" + (toString (optional (!withGui) "d")) + "-abc-" + version;
-  version = "0.21.1";
+  version = "0.21.3";
 
   src = fetchFromGitHub {
     owner = "bitcoin-ABC";
     repo = "bitcoin-abc";
     rev = "v${version}";
-    sha256 = "1aswgmzqk3vhxhp5k0m0awk22lf5ayaqg2cmlqy12jvfmpka9lrj";
+    sha256 = "1pzdgghbsss2qjfgl42lvkbs5yc5q6jnzqnp24lljmrh341g2zn4";
   };
 
   patches = [ ./fix-bitcoin-qt-build.patch ];