diff --git a/pkgs/tools/misc/smc/default.nix b/pkgs/tools/misc/smc/default.nix
index c7c389a3733f..83c384e5ec0a 100644
--- a/pkgs/tools/misc/smc/default.nix
+++ b/pkgs/tools/misc/smc/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, jre }:
 
 stdenv.mkDerivation rec {
-  name = "smc-6.3.0";
+  name = "smc-6.6.0";
 
   src = fetchurl {
-    url = "mirror://sourceforge/project/smc/smc/6_3_0/smc_6_3_0.tgz";
-    sha256 = "0arzi8kc4vycp1ccf0v87p08cdpylwhx4za2pzvp08vkfwi8zc7z";
+    url = "mirror://sourceforge/project/smc/smc/6_6_0/smc_6_6_0.tgz";
+    sha256 = "14lf286dslm7ymkr4my1xgjvwvqc9181mwkfr65ab49cxl0q85wz";
   };
 
   # Prebuilt Java package.