diff --git a/artiq-fast/wfvm.nix b/artiq-fast/wfvm.nix
index 9fb5f46..114e7d9 100644
--- a/artiq-fast/wfvm.nix
+++ b/artiq-fast/wfvm.nix
@@ -10,7 +10,7 @@ let
   };
   wfvm = pkgs.fetchgit {
     url = "https://git.m-labs.hk/M-Labs/wfvm.git";
-    rev = "6d9d9d91f66929574b7c8e5dacb3a611939bfaf1";
-    sha256 = "02b7rs46ia3vvw0r98ih6i2xb6k952hza4i8h4gi0r8dzplsg004";
+    rev = "93796f7a711776384177cacefbb43d38c368e2b0";
+    sha256 = "sha256-GMS8mkV+/mLyUoaAO7okP6/hp1PQpYm6DkT8lE2d1nI=";
   };
 in import "${wfvm}/wfvm" { pkgs = (import wfvm-pkgs {}); }