diff --git a/flake.nix b/flake.nix
index 68866a3..27e4be0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -142,8 +142,8 @@
           src = pkgs.fetchFromGitHub {
             owner = "m-labs";
             repo = "lda";
-            rev = "e6bf828b6dfd7fbf59b61b691712736c98c95970";
-            sha256 = "1w4ykzsl3386bz4ggpd6i60b6a3k7rnc6qjw59xm3hk0vs3w2vyn";
+            rev = "2d8af1e9080a4c1ab4a32370b3f926bfba8c00b2";
+            sha256 = "sha256-bImAsQiGmMauasltUrlkCRU3+p40d41DTlJvOjCfrP0=";
           };
           propagatedBuildInputs = [ artiq.inputs.sipyco.packages.x86_64-linux.sipyco ];
           postPatch = ''