diff --git a/pkgs/development/libraries/slib/default.nix b/pkgs/development/libraries/slib/default.nix
index 6c19dba5762f..9a3a35fd9f83 100644
--- a/pkgs/development/libraries/slib/default.nix
+++ b/pkgs/development/libraries/slib/default.nix
@@ -9,11 +9,11 @@
 
 stdenv.mkDerivation rec {
   pname = "slib";
-  version = "3c1";
+  version = "3c2";
 
   src = fetchurl {
     url = "https://groups.csail.mit.edu/mac/ftpdir/scm/${pname}-${version}.zip";
-    hash = "sha256-wvjrmOYFMN9TIRmF1LQDtul6epaYM8Gm0b+DVh2gx4E=";
+    hash = "sha256-eQbY4gHcGOl5RaYaxiznkuyTm2fQvMIwc+ABGsJWGgQ=";
   };
 
   patches = [