diff --git a/pkgs/development/libraries/ngtcp2/gnutls.nix b/pkgs/development/libraries/ngtcp2/gnutls.nix
index c65b0c0eabf2..5479debb66f7 100644
--- a/pkgs/development/libraries/ngtcp2/gnutls.nix
+++ b/pkgs/development/libraries/ngtcp2/gnutls.nix
@@ -6,13 +6,13 @@
 
 stdenv.mkDerivation rec {
   pname = "ngtcp2";
-  version = "0.11.0";
+  version = "0.12.1";
 
   src = fetchFromGitHub {
     owner = "ngtcp2";
     repo = "ngtcp2";
     rev = "v${version}";
-    sha256 = "sha256-u6orYF/VzXpcUdCitPawoet3KAhXlTQ2giR5eTQkrLY=";
+    sha256 = "sha256-nUUbGNxr2pGiEoYbArHppNE29rki9SM/3MZWMS9HmqY=";
   };
 
   outputs = [ "out" "dev" ];