diff --git a/nix/t1/_sources/generated.json b/nix/t1/_sources/generated.json
index 68c4d3a21..c32169a16 100644
--- a/nix/t1/_sources/generated.json
+++ b/nix/t1/_sources/generated.json
@@ -61,7 +61,7 @@
     },
     "chisel": {
         "cargoLocks": null,
-        "date": "2024-06-04",
+        "date": "2024-06-07",
         "extract": null,
         "name": "chisel",
         "passthru": null,
@@ -73,11 +73,11 @@
             "name": null,
             "owner": "chipsalliance",
             "repo": "chisel",
-            "rev": "8327056846f128bbf376e96f8b30b42e9ba9d795",
-            "sha256": "sha256-x2XmkeCfh0TDcGM7CoYlpVj3uCyUscn11H8Y+V4gOwA=",
+            "rev": "65a05b259bb95842d108622d2f89281e08009b8a",
+            "sha256": "sha256-wclQplu55ERQPKJop6WTKUbt3mj3RoHIEnH1yD29Tpk=",
             "type": "github"
         },
-        "version": "8327056846f128bbf376e96f8b30b42e9ba9d795"
+        "version": "65a05b259bb95842d108622d2f89281e08009b8a"
     },
     "diplomacy": {
         "cargoLocks": null,
diff --git a/nix/t1/_sources/generated.nix b/nix/t1/_sources/generated.nix
index 407a0efaf..4d2eb0952 100644
--- a/nix/t1/_sources/generated.nix
+++ b/nix/t1/_sources/generated.nix
@@ -39,15 +39,15 @@
   };
   chisel = {
     pname = "chisel";
-    version = "8327056846f128bbf376e96f8b30b42e9ba9d795";
+    version = "65a05b259bb95842d108622d2f89281e08009b8a";
     src = fetchFromGitHub {
       owner = "chipsalliance";
       repo = "chisel";
-      rev = "8327056846f128bbf376e96f8b30b42e9ba9d795";
+      rev = "65a05b259bb95842d108622d2f89281e08009b8a";
       fetchSubmodules = false;
-      sha256 = "sha256-x2XmkeCfh0TDcGM7CoYlpVj3uCyUscn11H8Y+V4gOwA=";
+      sha256 = "sha256-wclQplu55ERQPKJop6WTKUbt3mj3RoHIEnH1yD29Tpk=";
     };
-    date = "2024-06-04";
+    date = "2024-06-07";
   };
   diplomacy = {
     pname = "diplomacy";