diff --git a/pkgs/development/compilers/sbcl/default.nix b/pkgs/development/compilers/sbcl/default.nix
index 4ca477442a9..d25ec800291 100644
--- a/pkgs/development/compilers/sbcl/default.nix
+++ b/pkgs/development/compilers/sbcl/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name    = "sbcl-${version}";
-  version = "1.2.5";
+  version = "1.2.7";
 
   src = fetchurl {
     url    = "mirror://sourceforge/project/sbcl/sbcl/${version}/${name}-source.tar.bz2";
-    sha256 = "0nmb9amygr5flzk2z9fa6wzwqknbgd2qrkybxkxkamvbdwyayvzr";
+    sha256 = "10sjrh91pak4s6j4ks02xp88s25lh8zsii3x7rkn6p7vr7c9jw5j";
   };
 
   buildInputs = [ which ]