diff --git a/pkgs/development/interpreters/falcon/default.nix b/pkgs/development/interpreters/falcon/default.nix
index 2b14c9b489d2..0d2aa0b64203 100644
--- a/pkgs/development/interpreters/falcon/default.nix
+++ b/pkgs/development/interpreters/falcon/default.nix
@@ -1,14 +1,14 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, pcre, zlib, sqlite }:
+{ lib, gccStdenv, fetchFromGitHub, cmake, pkg-config, pcre, zlib, sqlite }:
 
-stdenv.mkDerivation {
+gccStdenv.mkDerivation {
   pname = "falcon";
-  version = "2013-09-19";
+  version = "unstable-2018-10-23";
 
   src = fetchFromGitHub {
     owner = "falconpl";
     repo = "falcon";
-    rev = "095141903c4ebab928ce803055f9bda363215c37";
-    sha256 = "1x3gdcz1gqhi060ngqi0ghryf69v8bn50yrbzfad8bhblvhzzdlf";
+    rev = "637e2d5cd950a874496042993c02ab7d17c1b688";
+    sha256 = "iCyvvZJjXb1CR396EJ6GiP6d4e7iAc6QQlAOQoAfehg=";
   };
 
   # -Wnarrowing is enabled by default in recent GCC versions,
@@ -22,6 +22,6 @@ stdenv.mkDerivation {
     description = "Programming language with macros and syntax at once";
     license = licenses.gpl2Only;
     maintainers = with maintainers; [ pSub ];
-    platforms = with platforms; linux;
+    platforms = with platforms; unix;
   };
 }