diff --git a/pkgs/by-name/tk/tkrev/package.nix b/pkgs/by-name/tk/tkrev/package.nix
index d440bc9693c7..2ef1bb8a167d 100644
--- a/pkgs/by-name/tk/tkrev/package.nix
+++ b/pkgs/by-name/tk/tkrev/package.nix
@@ -8,11 +8,11 @@
 
 stdenv.mkDerivation rec {
   pname = "tkrev";
-  version = "9.4.1";
+  version = "9.6.1";
 
   src = fetchurl {
     url = "mirror://sourceforge/tkcvs/tkrev_${version}.tar.gz";
-    sha256 = "sha256-WHDZPShEB9Q+Bjbb37mogJLUZk2GuWoO8bz+Zydc7i4=";
+    sha256 = "sha256-hWGxxL7ArWPi1uCeigJIccke5vYTLn2OWHR7t8TIrZc=";
   };
 
   buildInputs = [