diff --git a/templates/chisel/nix/pkgs/dependencies/_sources/generated.json b/templates/chisel/nix/pkgs/dependencies/_sources/generated.json
index d32fcdc..4e20105 100644
--- a/templates/chisel/nix/pkgs/dependencies/_sources/generated.json
+++ b/templates/chisel/nix/pkgs/dependencies/_sources/generated.json
@@ -1,7 +1,7 @@
 {
     "chisel": {
         "cargoLocks": null,
-        "date": "2024-10-25",
+        "date": "2024-10-28",
         "extract": null,
         "name": "chisel",
         "passthru": null,
@@ -13,10 +13,10 @@
             "name": null,
             "owner": "chipsalliance",
             "repo": "chisel",
-            "rev": "9d58f0dfb6d607892eb4762e550ee33b7265595a",
-            "sha256": "sha256-9urYmWwcBxFsmUeAaOuC3Qh8iniAfASmUqoj5zN+6a8=",
+            "rev": "66bab812796eb5a5c0bbe3308ee01fc6752557eb",
+            "sha256": "sha256-gaaNEGqxm213vQ3er6vn7kC8na0D745IdDnJWwQPgms=",
             "type": "github"
         },
-        "version": "9d58f0dfb6d607892eb4762e550ee33b7265595a"
+        "version": "66bab812796eb5a5c0bbe3308ee01fc6752557eb"
     }
 }
\ No newline at end of file
diff --git a/templates/chisel/nix/pkgs/dependencies/_sources/generated.nix b/templates/chisel/nix/pkgs/dependencies/_sources/generated.nix
index 4dd95af..7eb852b 100644
--- a/templates/chisel/nix/pkgs/dependencies/_sources/generated.nix
+++ b/templates/chisel/nix/pkgs/dependencies/_sources/generated.nix
@@ -3,14 +3,14 @@
 {
   chisel = {
     pname = "chisel";
-    version = "9d58f0dfb6d607892eb4762e550ee33b7265595a";
+    version = "66bab812796eb5a5c0bbe3308ee01fc6752557eb";
     src = fetchFromGitHub {
       owner = "chipsalliance";
       repo = "chisel";
-      rev = "9d58f0dfb6d607892eb4762e550ee33b7265595a";
+      rev = "66bab812796eb5a5c0bbe3308ee01fc6752557eb";
       fetchSubmodules = false;
-      sha256 = "sha256-9urYmWwcBxFsmUeAaOuC3Qh8iniAfASmUqoj5zN+6a8=";
+      sha256 = "sha256-gaaNEGqxm213vQ3er6vn7kC8na0D745IdDnJWwQPgms=";
     };
-    date = "2024-10-25";
+    date = "2024-10-28";
   };
 }