diff --git a/pkgs/by-name/li/libnats-c/package.nix b/pkgs/by-name/li/libnats-c/package.nix
index 5d641a386344e..d5cbc6e5fdd09 100644
--- a/pkgs/by-name/li/libnats-c/package.nix
+++ b/pkgs/by-name/li/libnats-c/package.nix
@@ -5,13 +5,13 @@
 
 stdenv.mkDerivation rec {
   pname   = "libnats";
-  version = "3.8.2";
+  version = "3.9.1";
 
   src = fetchFromGitHub {
     owner  = "nats-io";
     repo   = "nats.c";
     rev    = "v${version}";
-    sha256 = "sha256-Tn88RRigL6C36AcFhUlLbLyqcqbBR8z6PKAQH4w/mYY=";
+    sha256 = "sha256-n6DKkUDNoxTJedrDc/i93Nw0Nq6PXWnFCcUQFL2BI30=";
   };
 
   nativeBuildInputs = [ cmake ];