diff --git a/pkgs/development/interpreters/scheme48/default.nix b/pkgs/development/interpreters/scheme48/default.nix
index 39056717597..1436f260a44 100644
--- a/pkgs/development/interpreters/scheme48/default.nix
+++ b/pkgs/development/interpreters/scheme48/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation {
-  name = "scheme48-1.9";
+  name = "scheme48-1.9.2";
 
   meta = {
     homepage = http://s48.org/;
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
   };
 
   src = fetchurl {
-    url = http://s48.org/1.9/scheme48-1.9.tgz;
-    md5 = "b4c20057f92191d05a61fac1372878ad";
+    url = http://s48.org/1.9.2/scheme48-1.9.2.tgz;
+    sha256 = "1x4xfm3lyz2piqcw1h01vbs1iq89zq7wrsfjgh3fxnlm1slj2jcw";
   };
 }