diff --git a/pkgs/development/libraries/bwidget/default.nix b/pkgs/development/libraries/bwidget/default.nix
index 6dc658c03e3..76c041e2ad5 100644
--- a/pkgs/development/libraries/bwidget/default.nix
+++ b/pkgs/development/libraries/bwidget/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "bwidget-${version}";
-  version = "1.9.10";
+  version = "1.9.12";
 
   src = fetchurl {
     url = "mirror://sourceforge/tcllib/bwidget-${version}.tar.gz";
-    sha256 = "025lmriaq4qqy99lh826wx2cnqqgxn7srz4m3q06bl6r9ch15hr6";
+    sha256 = "0qrj8k4zzrnhwgdn5dpa6j0q5j739myhwn60ssnqrzq77sljss1g";
   };
 
   dontBuild = true;