diff --git a/pkgs/tools/networking/babeld/default.nix b/pkgs/tools/networking/babeld/default.nix
index e593bccbd1d..60b79220628 100644
--- a/pkgs/tools/networking/babeld/default.nix
+++ b/pkgs/tools/networking/babeld/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "babeld-1.9.0";
+  name = "babeld-1.9.1";
 
   src = fetchurl {
     url = "http://www.pps.univ-paris-diderot.fr/~jch/software/files/${name}.tar.gz";
-    sha256 = "0g7nhvd0hhb3jxdzpbqdxnb68375vm6apj2wslkxb70ip6rkk2hj";
+    sha256 = "1d503igqv9s5pgrhvxp1czjy2xfsjhagyyh2iny7g4cjvl0kq6qy";
   };
 
   preBuild = ''