diff --git a/pkgs/tools/networking/babeld/default.nix b/pkgs/tools/networking/babeld/default.nix
index cde173ba305..28caace1028 100644
--- a/pkgs/tools/networking/babeld/default.nix
+++ b/pkgs/tools/networking/babeld/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "babeld";
-  version = "1.11";
+  version = "1.12.1";
 
   src = fetchurl {
     url = "https://www.irif.fr/~jch/software/files/${pname}-${version}.tar.gz";
-    sha256 = "sha256-mTFa6vLqIH8XfBaFX/o0/DVK8bWYjAcODy/KOg1ND6U=";
+    sha256 = "sha256-mrWdesdB82MN8j+cO2fGApTYs0q2IjmPm4l3OoeOyx4=";
   };
 
   preBuild = ''