diff --git a/pkgs/development/libraries/libnats-c/default.nix b/pkgs/development/libraries/libnats-c/default.nix
index b39cb7be189a..5d3bf851f9ef 100644
--- a/pkgs/development/libraries/libnats-c/default.nix
+++ b/pkgs/development/libraries/libnats-c/default.nix
@@ -5,13 +5,13 @@
 
 stdenv.mkDerivation rec {
   pname   = "libnats";
-  version = "3.3.0";
+  version = "3.4.0";
 
   src = fetchFromGitHub {
     owner  = "nats-io";
     repo   = "nats.c";
     rev    = "v${version}";
-    sha256 = "sha256-2z+r0OIVYE7NPQQAd5vOK8KkFo4Zzi2pPcwPByJTyPc=";
+    sha256 = "sha256-NtZjAXwp1JraoWsB750itKv1b+cfLwbr4XuxgIuZ+8A=";
   };
 
   nativeBuildInputs = [ cmake ];