diff --git a/pkgs/development/compilers/qbe/default.nix b/pkgs/development/compilers/qbe/default.nix
index 9ebcb2242ddb..b4bc2a35a55d 100644
--- a/pkgs/development/compilers/qbe/default.nix
+++ b/pkgs/development/compilers/qbe/default.nix
@@ -5,12 +5,12 @@
 
 stdenv.mkDerivation rec {
   pname = "qbe";
-  version = "unstable-2019-07-11";
+  version = "unstable-2020-10-05";
 
   src = fetchgit {
     url = "git://c9x.me/qbe.git";
-    rev = "7bf08ff50729037c8820b26d085905175b5593c8";
-    sha256 = "0w1yack5ky6x6lbw8vn6swsy8s90n6ny0jpkw0866ja677z7qz34";
+    rev = "496c069405cd79aed968f59dd5a5f92d1f96809f";
+    sha256 = "1vpszl77j9mnw8r0p9l23k8nxbnz31lgii7v3mai130nbpjsjsdf";
   };
 
   makeFlags = [ "PREFIX=$(out)" ];