diff --git a/pkgs/by-name/nb/nb/package.nix b/pkgs/by-name/nb/nb/package.nix
index 579fadc8912a..e61fbc94b9e5 100644
--- a/pkgs/by-name/nb/nb/package.nix
+++ b/pkgs/by-name/nb/nb/package.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation rec {
   pname = "nb";
-  version = "7.21.1";
+  version = "7.21.3";
 
   src = fetchFromGitHub {
     owner = "xwmx";
     repo = "nb";
     rev = version;
-    hash = "sha256-d9QhJBRdfTMIDHFOX4/fMmZnqCMeGqQhJTr60Ea7ucw=";
+    hash = "sha256-jvjAxXynLo19D5GdnEXtmcrxjXQRYQYOiZ6I1Wl47xA=";
   };
 
   nativeBuildInputs = [ installShellFiles ];