diff --git a/flake.lock b/flake.lock
index 286ae99f4..709d9f4e2 100644
--- a/flake.lock
+++ b/flake.lock
@@ -36,11 +36,11 @@
     },
     "nixpkgs-for-circt": {
       "locked": {
-        "lastModified": 1715530780,
-        "narHash": "sha256-bBz4/T/zBzv9Xi5XUlFDeosmSNppLaCQTizMKSksAvk=",
+        "lastModified": 1716041078,
+        "narHash": "sha256-ewjE7eVBVmjh8faip3RW+I3WzQZ3iywQVyxZfjunfH0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3281bec7174f679eabf584591e75979a258d8c40",
+        "rev": "04496f014fcf27fdcede464d5de8558e12b5710c",
         "type": "github"
       },
       "original": {
diff --git a/nix/t1/_sources/generated.json b/nix/t1/_sources/generated.json
index fceefc6c9..875b7a8a3 100644
--- a/nix/t1/_sources/generated.json
+++ b/nix/t1/_sources/generated.json
@@ -73,11 +73,11 @@
             "name": null,
             "owner": "chipsalliance",
             "repo": "chisel",
-            "rev": "84c3da65f736a76b7099dc26a5993e71c514a1ac",
-            "sha256": "sha256-rMZQk84H8XXQsY6XisNqu8S1Gpez3PSQyqXppcl1aNE=",
+            "rev": "dce2fe894ab58311c616c7674059b9a4efb17e0a",
+            "sha256": "sha256-VSuNGkJumDyLEMY4ZknVf31RuVFFbtr7oBtThPP30Yk=",
             "type": "github"
         },
-        "version": "84c3da65f736a76b7099dc26a5993e71c514a1ac"
+        "version": "dce2fe894ab58311c616c7674059b9a4efb17e0a"
     },
     "diplomacy": {
         "cargoLocks": null,
diff --git a/nix/t1/_sources/generated.nix b/nix/t1/_sources/generated.nix
index d4318ba40..4876ac039 100644
--- a/nix/t1/_sources/generated.nix
+++ b/nix/t1/_sources/generated.nix
@@ -39,13 +39,13 @@
   };
   chisel = {
     pname = "chisel";
-    version = "84c3da65f736a76b7099dc26a5993e71c514a1ac";
+    version = "dce2fe894ab58311c616c7674059b9a4efb17e0a";
     src = fetchFromGitHub {
       owner = "chipsalliance";
       repo = "chisel";
-      rev = "84c3da65f736a76b7099dc26a5993e71c514a1ac";
+      rev = "dce2fe894ab58311c616c7674059b9a4efb17e0a";
       fetchSubmodules = false;
-      sha256 = "sha256-rMZQk84H8XXQsY6XisNqu8S1Gpez3PSQyqXppcl1aNE=";
+      sha256 = "sha256-VSuNGkJumDyLEMY4ZknVf31RuVFFbtr7oBtThPP30Yk=";
     };
     date = "2024-05-16";
   };