diff --git a/pkgs/development/interpreters/guile/default.nix b/pkgs/development/interpreters/guile/default.nix
index 25fa3d0bc74..8679c7122c9 100644
--- a/pkgs/development/interpreters/guile/default.nix
+++ b/pkgs/development/interpreters/guile/default.nix
@@ -7,11 +7,11 @@
  else stdenv.mkDerivation)
 
 (rec {
-  name = "guile-2.0.11";
+  name = "guile-2.0.12";
 
   src = fetchurl {
     url = "mirror://gnu/guile/${name}.tar.xz";
-    sha256 = "1qh3j7308qvsjgwf7h94yqgckpbgz2k3yqdkzsyhqcafvfka9l5f";
+    sha256 = "1sdpjq0jf1h65w29q0zprj4x6kdp5jskkvbnlwphy9lvdxrqg0fy";
   };
 
   nativeBuildInputs = [ makeWrapper gawk pkgconfig ];