diff --git a/artiq-fast/pkgs/python-deps.nix b/artiq-fast/pkgs/python-deps.nix
index 6fbce0f..ea7da06 100644
--- a/artiq-fast/pkgs/python-deps.nix
+++ b/artiq-fast/pkgs/python-deps.nix
@@ -77,8 +77,8 @@ rec {
       then (fetchFromGitHub {
         owner = "m-labs";
         repo = "misoc";
-        rev = "794d29b6c0f10b3764372f89507dd363bb76b5b1";
-        sha256 = "sha256-onIK8GhU6ZbFXsPXEs8IbAnCMZ6q8G9vJawNCWoF6JM=";
+        rev = "2acffae0ee51e569dc217a9f3cea06b33103d623";
+        sha256 = "sha256-/x9CPW0mnUR6hgHWzOSJY//P9k9w+gObNn2uwrxL8dw=";
         fetchSubmodules = true;
       })
       else (fetchFromGitHub {