diff --git a/flake.lock b/flake.lock
index bb3c3ea19..4691e364b 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1714253743,
-        "narHash": "sha256-mdTQw2XlariysyScCv2tTE45QSU9v/ezLcHJ22f0Nxc=",
+        "lastModified": 1722062969,
+        "narHash": "sha256-QOS0ykELUmPbrrUGmegAUlpmUFznDQeR4q7rFhl8eQg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "58a1abdbae3217ca6b702f03d3b35125d88a2994",
+        "rev": "b73c2221a46c13557b1b3be9c2070cc42cf01eb3",
         "type": "github"
       },
       "original": {
@@ -36,11 +36,11 @@
     },
     "nixpkgs-for-circt": {
       "locked": {
-        "lastModified": 1721084406,
-        "narHash": "sha256-ztUwf+4NjJQw6EqN/2iuJgcmeT42ANn3e+cxulzTyiY=",
+        "lastModified": 1722152050,
+        "narHash": "sha256-nHaFykbsYF6XM/YjsPD2mDIZuN4dBB/t/8qyIPDW8gM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "039ab755a21a58d5b5df5722ae68186c14d4b021",
+        "rev": "b7ab7da39366d578a537d0e9305bab2cdd2dba3b",
         "type": "github"
       },
       "original": {
diff --git a/nix/t1/_sources/generated.json b/nix/t1/_sources/generated.json
index 041aaf641..1ee4005d3 100644
--- a/nix/t1/_sources/generated.json
+++ b/nix/t1/_sources/generated.json
@@ -41,7 +41,7 @@
     },
     "chisel": {
         "cargoLocks": null,
-        "date": "2024-07-25",
+        "date": "2024-07-26",
         "extract": null,
         "name": "chisel",
         "passthru": null,
@@ -53,11 +53,11 @@
             "name": null,
             "owner": "chipsalliance",
             "repo": "chisel",
-            "rev": "73e96ea5db53ad176e6a9011fc42c888c901d7e2",
-            "sha256": "sha256-VvK0NfvXh4oHn2rj2OWTe1zpONt6ReyvhMGDxa3ikE4=",
+            "rev": "96cc1b7cef892f2dcc65c9dbc85517542a77d412",
+            "sha256": "sha256-iccWL14hdJ02GbKuQ6PBnylpB61s4JuMw1T/M5ZHqUo=",
             "type": "github"
         },
-        "version": "73e96ea5db53ad176e6a9011fc42c888c901d7e2"
+        "version": "96cc1b7cef892f2dcc65c9dbc85517542a77d412"
     },
     "chisel-interface": {
         "cargoLocks": null,
diff --git a/nix/t1/_sources/generated.nix b/nix/t1/_sources/generated.nix
index 21acd89f9..e5ae53b50 100644
--- a/nix/t1/_sources/generated.nix
+++ b/nix/t1/_sources/generated.nix
@@ -27,15 +27,15 @@
   };
   chisel = {
     pname = "chisel";
-    version = "73e96ea5db53ad176e6a9011fc42c888c901d7e2";
+    version = "96cc1b7cef892f2dcc65c9dbc85517542a77d412";
     src = fetchFromGitHub {
       owner = "chipsalliance";
       repo = "chisel";
-      rev = "73e96ea5db53ad176e6a9011fc42c888c901d7e2";
+      rev = "96cc1b7cef892f2dcc65c9dbc85517542a77d412";
       fetchSubmodules = false;
-      sha256 = "sha256-VvK0NfvXh4oHn2rj2OWTe1zpONt6ReyvhMGDxa3ikE4=";
+      sha256 = "sha256-iccWL14hdJ02GbKuQ6PBnylpB61s4JuMw1T/M5ZHqUo=";
     };
-    date = "2024-07-25";
+    date = "2024-07-26";
   };
   chisel-interface = {
     pname = "chisel-interface";