diff --git a/pkgs/applications/version-management/tkcvs/default.nix b/pkgs/applications/version-management/tkcvs/default.nix
index a21501dccadc..569c442f9838 100644
--- a/pkgs/applications/version-management/tkcvs/default.nix
+++ b/pkgs/applications/version-management/tkcvs/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation
 {
-  name = "tkcvs-8.2";
+  name = "tkcvs-8.2.1";
 
   src = fetchurl {
-    url = mirror://sourceforge/tkcvs/tkcvs_8_2.tar.gz;
-    sha256 = "0cr2f8jd6k2h1n8mvfv6frrfv4kxd7k3mhplk3ghl6hrgklr7ywr";
+    url = mirror://sourceforge/tkcvs/tkcvs_8_2_1.tar.gz;
+    sha256 = "0kvj6rcx1153wq0n1lmd8imbrki6xy5wxghwzlb9i15l65sclg3i";
   };
 
   buildInputs = [ tcl tk ];