diff --git a/nix/t1/dependencies/_sources/generated.json b/nix/t1/dependencies/_sources/generated.json
index c9b29ea6a..ae1ac68a0 100644
--- a/nix/t1/dependencies/_sources/generated.json
+++ b/nix/t1/dependencies/_sources/generated.json
@@ -41,7 +41,7 @@
     },
     "chisel": {
         "cargoLocks": null,
-        "date": "2024-10-28",
+        "date": "2024-11-01",
         "extract": null,
         "name": "chisel",
         "passthru": null,
@@ -53,11 +53,11 @@
             "name": null,
             "owner": "chipsalliance",
             "repo": "chisel",
-            "rev": "66bab812796eb5a5c0bbe3308ee01fc6752557eb",
-            "sha256": "sha256-gaaNEGqxm213vQ3er6vn7kC8na0D745IdDnJWwQPgms=",
+            "rev": "abf74afc2a497947dc0ef5747d8de875f0f162ef",
+            "sha256": "sha256-1ti2ZzWOSOgunqzerLqbKrLzfa6/rzQcsUNBP1TqnyA=",
             "type": "github"
         },
-        "version": "66bab812796eb5a5c0bbe3308ee01fc6752557eb"
+        "version": "abf74afc2a497947dc0ef5747d8de875f0f162ef"
     },
     "chisel-interface": {
         "cargoLocks": null,
diff --git a/nix/t1/dependencies/_sources/generated.nix b/nix/t1/dependencies/_sources/generated.nix
index eaad303bb..9b06c6e12 100644
--- a/nix/t1/dependencies/_sources/generated.nix
+++ b/nix/t1/dependencies/_sources/generated.nix
@@ -27,15 +27,15 @@
   };
   chisel = {
     pname = "chisel";
-    version = "66bab812796eb5a5c0bbe3308ee01fc6752557eb";
+    version = "abf74afc2a497947dc0ef5747d8de875f0f162ef";
     src = fetchFromGitHub {
       owner = "chipsalliance";
       repo = "chisel";
-      rev = "66bab812796eb5a5c0bbe3308ee01fc6752557eb";
+      rev = "abf74afc2a497947dc0ef5747d8de875f0f162ef";
       fetchSubmodules = false;
-      sha256 = "sha256-gaaNEGqxm213vQ3er6vn7kC8na0D745IdDnJWwQPgms=";
+      sha256 = "sha256-1ti2ZzWOSOgunqzerLqbKrLzfa6/rzQcsUNBP1TqnyA=";
     };
-    date = "2024-10-28";
+    date = "2024-11-01";
   };
   chisel-interface = {
     pname = "chisel-interface";