diff --git a/flake.lock b/flake.lock
index dbda3ea..788c403 100644
--- a/flake.lock
+++ b/flake.lock
@@ -21,17 +21,14 @@
     "lowrisc-nix": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs",
-        "pyproject-build-systems": "pyproject-build-systems",
-        "pyproject-nix": "pyproject-nix",
-        "uv2nix": "uv2nix"
+        "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1751885167,
-        "narHash": "sha256-TtEMkxsSWyYSbqo4ZnXo1UEs1KQLyoyMvtFTRnQV1gA=",
+        "lastModified": 1760457119,
+        "narHash": "sha256-jbAOK8dLYJSnNzw4CVyJyIsC/lF+wbafcm2OAcYA1Yc=",
         "owner": "lowRISC",
         "repo": "lowrisc-nix",
-        "rev": "c35c0810b974643d81eb4af2b6e926c9d6773e38",
+        "rev": "4a535a458743de4bff0ecf31d18883c78533a6e8",
         "type": "github"
       },
       "original": {
@@ -42,11 +39,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1750400657,
-        "narHash": "sha256-3vkjFnxCOP6vm5Pm13wC/Zy6/VYgei/I/2DWgW4RFeA=",
+        "lastModified": 1759994382,
+        "narHash": "sha256-wSK+3UkalDZRVHGCRikZ//CyZUJWDJkBDTQX1+G77Ow=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b2485d56967598da068b5a6946dadda8bfcbcd37",
+        "rev": "5da4a26309e796daa7ffca72df93dbe53b8164c7",
         "type": "github"
       },
       "original": {
@@ -58,50 +55,21 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1751274312,
-        "narHash": "sha256-/bVBlRpECLVzjV19t5KMdMFWSwKLtb5RyXdjz3LJT+g=",
+        "lastModified": 1761468971,
+        "narHash": "sha256-vY2OLVg5ZTobdroQKQQSipSIkHlxOTrIF1fsMzPh8w8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "50ab793786d9de88ee30ec4e4c24fb4236fc2674",
+        "rev": "78e34d1667d32d8a0ffc3eba4591ff256e80576e",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-24.11",
+        "ref": "nixos-25.05",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "pyproject-build-systems": {
-      "inputs": {
-        "nixpkgs": [
-          "lowrisc-nix",
-          "nixpkgs"
-        ],
-        "pyproject-nix": [
-          "lowrisc-nix",
-          "pyproject-nix"
-        ],
-        "uv2nix": [
-          "lowrisc-nix",
-          "uv2nix"
-        ]
-      },
-      "locked": {
-        "lastModified": 1749519371,
-        "narHash": "sha256-UJONN7mA2stweZCoRcry2aa1XTTBL0AfUOY84Lmqhos=",
-        "owner": "pyproject-nix",
-        "repo": "build-system-pkgs",
-        "rev": "7c06967eca687f3482624250428cc12f43c92523",
-        "type": "github"
-      },
-      "original": {
-        "owner": "pyproject-nix",
-        "repo": "build-system-pkgs",
-        "type": "github"
-      }
-    },
-    "pyproject-build-systems_2": {
       "inputs": {
         "nixpkgs": [
           "nixpkgs"
@@ -114,11 +82,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1752574539,
-        "narHash": "sha256-Dl/TGWnrsmmyFVApbpoVosAwOjocJRP2VAoOVbYK+KA=",
+        "lastModified": 1759113590,
+        "narHash": "sha256-fgxP2RCN4cg0jYiMYoETYc7TZ2JjgyvJa2y9l8oSUFE=",
         "owner": "pyproject-nix",
         "repo": "build-system-pkgs",
-        "rev": "dfa1792728c7a3c34e22491e9fa272ed24e53012",
+        "rev": "dbfc0483b5952c6b86e36f8b3afeb9dde30ea4b5",
         "type": "github"
       },
       "original": {
@@ -128,38 +96,17 @@
       }
     },
     "pyproject-nix": {
-      "inputs": {
-        "nixpkgs": [
-          "lowrisc-nix",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1750499893,
-        "narHash": "sha256-ThKBd8XSvITAh2JqU7enOp8AfKeQgf9u7zYC41cnBE4=",
-        "owner": "pyproject-nix",
-        "repo": "pyproject.nix",
-        "rev": "e824458bd917b44bf4c38795dea2650336b2f55d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "pyproject-nix",
-        "repo": "pyproject.nix",
-        "type": "github"
-      }
-    },
-    "pyproject-nix_2": {
       "inputs": {
         "nixpkgs": [
           "nixpkgs"
         ]
       },
       "locked": {
-        "lastModified": 1752762157,
-        "narHash": "sha256-xF39K+Sd5+Sv2YqarHEwFpzCC3sKz83M7/tCg99/8Uk=",
+        "lastModified": 1760402624,
+        "narHash": "sha256-jF6UKLs2uGc2rtved8Vrt58oTWjTQoAssuYs/0578Z4=",
         "owner": "pyproject-nix",
         "repo": "pyproject.nix",
-        "rev": "fa35449a527d07cf3c7856687d18a999dd0dd241",
+        "rev": "84c4ea102127c77058ea1ed7be7300261fafc7d2",
         "type": "github"
       },
       "original": {
@@ -172,9 +119,9 @@
       "inputs": {
         "lowrisc-nix": "lowrisc-nix",
         "nixpkgs": "nixpkgs_2",
-        "pyproject-build-systems": "pyproject-build-systems_2",
-        "pyproject-nix": "pyproject-nix_2",
-        "uv2nix": "uv2nix_2"
+        "pyproject-build-systems": "pyproject-build-systems",
+        "pyproject-nix": "pyproject-nix",
+        "uv2nix": "uv2nix"
       }
     },
     "systems": {
@@ -193,31 +140,6 @@
       }
     },
     "uv2nix": {
-      "inputs": {
-        "nixpkgs": [
-          "lowrisc-nix",
-          "nixpkgs"
-        ],
-        "pyproject-nix": [
-          "lowrisc-nix",
-          "pyproject-nix"
-        ]
-      },
-      "locked": {
-        "lastModified": 1749778965,
-        "narHash": "sha256-MDq5YPXq3VO7aGrIIz9IMexJcdRiLCcDK4Bk3Kev7Sw=",
-        "owner": "pyproject-nix",
-        "repo": "uv2nix",
-        "rev": "22ddf88e3a06551b769f0a585601d89180c69a38",
-        "type": "github"
-      },
-      "original": {
-        "owner": "pyproject-nix",
-        "repo": "uv2nix",
-        "type": "github"
-      }
-    },
-    "uv2nix_2": {
       "inputs": {
         "nixpkgs": [
           "nixpkgs"
@@ -227,11 +149,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1752805696,
-        "narHash": "sha256-GpqeCI2n6sSdIEY/vG9qbQOoN+4/ZcSEhnFeLXG/hxs=",
+        "lastModified": 1761527626,
+        "narHash": "sha256-neDfvbpFlzUQfH9C+hVRUX0/RXUbJBidw4pFcdMYhZA=",
         "owner": "pyproject-nix",
         "repo": "uv2nix",
-        "rev": "8c77cd2cb5a9693e26fb8579f6a25565d99e400d",
+        "rev": "46a8e8bbb2d9e34b686329ac16e4a8861394f03a",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index d71251b..0e1635a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -6,7 +6,7 @@
   description = "Python env for rdl2ot";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
     uv2nix = {
       url = "github:pyproject-nix/uv2nix";
       inputs.pyproject-nix.follows = "pyproject-nix";
diff --git a/rdl2ot/pyproject.toml b/rdl2ot/pyproject.toml
index 63cab65..41e5538 100644
--- a/rdl2ot/pyproject.toml
+++ b/rdl2ot/pyproject.toml
@@ -4,13 +4,13 @@
 
 [project]
 name = "rdl2ot"
-version = "0.2.0"
+version = "0.3.0"
 description = "An extension of PeakRDL to generate OpenTitan RTL."
 requires-python = ">=3.10"
 keywords = ["SystemRDL", "OpenTitan", "Codegen"]
 readme = "README.md"
 dependencies = [
-  "click>=8.2.1",
+  "click>=8.3.0",
   "jinja2>=3.1.6",
   "systemrdl-compiler>=1.29",
 ]