diff --git a/flake.lock b/flake.lock
index 286ae99f4..f1323a9ad 100644
--- a/flake.lock
+++ b/flake.lock
@@ -36,11 +36,11 @@
     },
     "nixpkgs-for-circt": {
       "locked": {
-        "lastModified": 1715530780,
-        "narHash": "sha256-bBz4/T/zBzv9Xi5XUlFDeosmSNppLaCQTizMKSksAvk=",
+        "lastModified": 1716395399,
+        "narHash": "sha256-X+99WjSwbxQ7X+CTyqZQZqeqGe8nbfAFz+tgK2r3O/g=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3281bec7174f679eabf584591e75979a258d8c40",
+        "rev": "bc5dc89513caa16788f6379962e50383cf3f70b0",
         "type": "github"
       },
       "original": {
diff --git a/nix/t1/_sources/generated.json b/nix/t1/_sources/generated.json
index e524a4c13..1e9e36c58 100644
--- a/nix/t1/_sources/generated.json
+++ b/nix/t1/_sources/generated.json
@@ -61,7 +61,7 @@
     },
     "chisel": {
         "cargoLocks": null,
-        "date": "2024-05-20",
+        "date": "2024-05-22",
         "extract": null,
         "name": "chisel",
         "passthru": null,
@@ -73,11 +73,11 @@
             "name": null,
             "owner": "chipsalliance",
             "repo": "chisel",
-            "rev": "11c3f51c68ae05fbdb572ece2a5ce5d3037c18cb",
-            "sha256": "sha256-d3Wi14LSNL1AaI5AvZgIUXlQASRwRWnpMczIsr+Hyjg=",
+            "rev": "7e0cd105339417e32baa3dfc0b0269725b4f2be2",
+            "sha256": "sha256-Ge+HmxMl3Ls1ASY5UQfiZOCcCRHBVa981RC37t8m9AU=",
             "type": "github"
         },
-        "version": "11c3f51c68ae05fbdb572ece2a5ce5d3037c18cb"
+        "version": "7e0cd105339417e32baa3dfc0b0269725b4f2be2"
     },
     "diplomacy": {
         "cargoLocks": null,
diff --git a/nix/t1/_sources/generated.nix b/nix/t1/_sources/generated.nix
index 89b57142f..95de331bb 100644
--- a/nix/t1/_sources/generated.nix
+++ b/nix/t1/_sources/generated.nix
@@ -39,15 +39,15 @@
   };
   chisel = {
     pname = "chisel";
-    version = "11c3f51c68ae05fbdb572ece2a5ce5d3037c18cb";
+    version = "7e0cd105339417e32baa3dfc0b0269725b4f2be2";
     src = fetchFromGitHub {
       owner = "chipsalliance";
       repo = "chisel";
-      rev = "11c3f51c68ae05fbdb572ece2a5ce5d3037c18cb";
+      rev = "7e0cd105339417e32baa3dfc0b0269725b4f2be2";
       fetchSubmodules = false;
-      sha256 = "sha256-d3Wi14LSNL1AaI5AvZgIUXlQASRwRWnpMczIsr+Hyjg=";
+      sha256 = "sha256-Ge+HmxMl3Ls1ASY5UQfiZOCcCRHBVa981RC37t8m9AU=";
     };
-    date = "2024-05-20";
+    date = "2024-05-22";
   };
   diplomacy = {
     pname = "diplomacy";