diff --git a/pkgs/development/compilers/gambit/bootstrap.nix b/pkgs/development/compilers/gambit/bootstrap.nix
index 0bd1dd0237b..aae7c61c6f9 100644
--- a/pkgs/development/compilers/gambit/bootstrap.nix
+++ b/pkgs/development/compilers/gambit/bootstrap.nix
@@ -2,12 +2,12 @@
 
 stdenv.mkDerivation rec {
   name    = "gambit-bootstrap-${version}";
-  version = "4.9.1";
-  tarball_version = "v4_9_1";
+  version = "4.9.2";
+  tarball_version = "v4_9_2";
 
   src = fetchurl {
     url    = "http://www.iro.umontreal.ca/~gambit/download/gambit/v4.9/source/gambit-${tarball_version}.tgz";
-    sha256 = "14x9xa0yh7187alzw2m937jnh4csj0dyywi3va8bhi7aaw4p5qai";
+    sha256 = "1cpganh3jgjdw6qsapcbwxdbp1xwgx5gvdl4ymwf8p2c5k018dwy";
   };
 
   buildInputs = [ autoconf ];
diff --git a/pkgs/development/compilers/gambit/default.nix b/pkgs/development/compilers/gambit/default.nix
index 19297a6e68e..275d4785a2c 100644
--- a/pkgs/development/compilers/gambit/default.nix
+++ b/pkgs/development/compilers/gambit/default.nix
@@ -1,10 +1,10 @@
 { stdenv, callPackage, fetchurl }:
 
 callPackage ./build.nix {
-  version = "4.9.1";
+  version = "4.9.2";
   src = fetchurl {
-    url = "http://www.iro.umontreal.ca/~gambit/download/gambit/v4.9/source/gambit-v4_9_1-devel.tgz";
-    sha256 = "10kzv568gimp9nzh5xw0h01vw50wi68z3awfp9ibqrpq2l0n7mw7";
+    url = "http://www.iro.umontreal.ca/~gambit/download/gambit/v4.9/source/gambit-v4_9_2-devel.tgz";
+    sha256 = "1xpjm3m1pxwj3n0g36lbb3p6wx2nc1iry95xc22pnq3m2374gjxv";
   };
   inherit stdenv;
 }