diff --git a/pkgs/development/tools/protoc-gen-dart/default.nix b/pkgs/development/tools/protoc-gen-dart/default.nix
index 4b51e1469404..4eb95f412bbb 100644
--- a/pkgs/development/tools/protoc-gen-dart/default.nix
+++ b/pkgs/development/tools/protoc-gen-dart/default.nix
@@ -6,25 +6,26 @@
 
 buildDartApplication rec {
   pname = "protoc-gen-dart";
-  version = "3.1.0";
+  version = "21.1.2";
 
   src = fetchFromGitHub {
     owner = "google";
     repo = "protobuf.dart";
-    rev = "protobuf-v${version}";
-    sha256 = "sha256-2QnLS6GHhDHMCnAY+2c1wMyPY3EKtlijWHQC+9AVt0k=";
+    tag = "protoc_plugin-v${version}";
+    hash = "sha256-luptbRgOtOBapWmyIJ35GqOClpcmDuKSPu3QoDfp2FU=";
   };
+
   sourceRoot = "${src.name}/protoc_plugin";
 
   pubspecLock = lib.importJSON ./pubspec.lock.json;
 
   passthru.updateScript = ./update.sh;
 
-  meta = with lib; {
+  meta = {
     description = "Protobuf plugin for generating Dart code";
     mainProgram = "protoc-gen-dart";
     homepage = "https://pub.dev/packages/protoc_plugin";
-    license = licenses.bsd3;
-    maintainers = with maintainers; [ lelgenio ];
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ lelgenio ];
   };
 }
diff --git a/pkgs/development/tools/protoc-gen-dart/pubspec.lock.json b/pkgs/development/tools/protoc-gen-dart/pubspec.lock.json
index c48d164bc504..05723b64b240 100644
--- a/pkgs/development/tools/protoc-gen-dart/pubspec.lock.json
+++ b/pkgs/development/tools/protoc-gen-dart/pubspec.lock.json
@@ -4,91 +4,97 @@
       "dependency": "transitive",
       "description": {
         "name": "_fe_analyzer_shared",
-        "sha256": "eb376e9acf6938204f90eb3b1f00b578640d3188b4c8a8ec054f9f479af8d051",
+        "sha256": "45cfa8471b89fb6643fe9bf51bd7931a76b8f5ec2d65de4fb176dba8d4f22c77",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "64.0.0"
+      "version": "73.0.0"
+    },
+    "_macros": {
+      "dependency": "transitive",
+      "description": "dart",
+      "source": "sdk",
+      "version": "0.3.2"
     },
     "analyzer": {
       "dependency": "transitive",
       "description": {
         "name": "analyzer",
-        "sha256": "69f54f967773f6c26c7dcb13e93d7ccee8b17a641689da39e878d5cf13b06893",
+        "sha256": "4959fec185fe70cce007c57e9ab6983101dbe593d2bf8bbfb4453aaec0cf470a",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "6.2.0"
+      "version": "6.8.0"
     },
     "args": {
       "dependency": "transitive",
       "description": {
         "name": "args",
-        "sha256": "eef6c46b622e0494a36c5a12d10d77fb4e855501a91c1b9ef9339326e58f0596",
+        "sha256": "bf9f5caeea8d8fe6721a9c358dd8a5c1947b27f1cfaa18b39c301273594919e6",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "2.4.2"
+      "version": "2.6.0"
     },
     "async": {
       "dependency": "transitive",
       "description": {
         "name": "async",
-        "sha256": "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c",
+        "sha256": "d2872f9c19731c2e5f10444b14686eb7cc85c76274bd6c16e1816bff9a3bab63",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "2.11.0"
+      "version": "2.12.0"
     },
     "boolean_selector": {
       "dependency": "transitive",
       "description": {
         "name": "boolean_selector",
-        "sha256": "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66",
+        "sha256": "8aab1771e1243a5063b8b0ff68042d67334e3feab9e95b9490f9a6ebf73b42ea",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "2.1.1"
+      "version": "2.1.2"
     },
     "collection": {
       "dependency": "direct dev",
       "description": {
         "name": "collection",
-        "sha256": "ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a",
+        "sha256": "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.18.0"
+      "version": "1.19.1"
     },
     "convert": {
       "dependency": "transitive",
       "description": {
         "name": "convert",
-        "sha256": "0f08b14755d163f6e2134cb58222dd25ea2a2ee8a195e53983d57c075324d592",
+        "sha256": "b30acd5944035672bc15c6b7a8b47d773e41e2f17de064350988c5d02adb1c68",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "3.1.1"
+      "version": "3.1.2"
     },
     "coverage": {
       "dependency": "transitive",
       "description": {
         "name": "coverage",
-        "sha256": "2fb815080e44a09b85e0f2ca8a820b15053982b2e714b59267719e8a9ff17097",
+        "sha256": "e3493833ea012784c740e341952298f1cc77f1f01b1bbc3eb4eecf6984fb7f43",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.6.3"
+      "version": "1.11.1"
     },
     "crypto": {
       "dependency": "transitive",
       "description": {
         "name": "crypto",
-        "sha256": "ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab",
+        "sha256": "1e445881f28f22d6140f181e07737b22f1e099a5e1ff94b0af2f9e4a463f4855",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "3.0.3"
+      "version": "3.0.6"
     },
     "dart_flutter_team_lints": {
       "dependency": "direct dev",
@@ -104,31 +110,31 @@
       "dependency": "transitive",
       "description": {
         "name": "file",
-        "sha256": "5fc22d7c25582e38ad9a8515372cd9a93834027aacf1801cf01164dac0ffa08c",
+        "sha256": "a3b4f84adafef897088c160faf7dfffb7696046cb13ae90b508c2cbc95d3b8d4",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "7.0.0"
+      "version": "7.0.1"
     },
     "fixnum": {
       "dependency": "direct main",
       "description": {
         "name": "fixnum",
-        "sha256": "25517a4deb0c03aa0f32fd12db525856438902d9c16536311e76cdc57b31d7d1",
+        "sha256": "b6dc7065e46c974bc7c5f143080a6764ec7a4be6da1285ececdc37be96de53be",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.1.0"
+      "version": "1.1.1"
     },
     "frontend_server_client": {
       "dependency": "transitive",
       "description": {
         "name": "frontend_server_client",
-        "sha256": "408e3ca148b31c20282ad6f37ebfa6f4bdc8fede5b74bc2f08d9d92b55db3612",
+        "sha256": "f64a0333a82f30b0cca061bc3d143813a486dc086b574bfb233b7c1372427694",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "3.2.0"
+      "version": "4.0.0"
     },
     "glob": {
       "dependency": "transitive",
@@ -144,41 +150,41 @@
       "dependency": "transitive",
       "description": {
         "name": "http_multi_server",
-        "sha256": "97486f20f9c2f7be8f514851703d0119c3596d14ea63227af6f7a481ef2b2f8b",
+        "sha256": "aa6199f908078bb1c5efb8d8638d4ae191aac11b311132c3ef48ce352fb52ef8",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "3.2.1"
+      "version": "3.2.2"
     },
     "http_parser": {
       "dependency": "transitive",
       "description": {
         "name": "http_parser",
-        "sha256": "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b",
+        "sha256": "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "4.0.2"
+      "version": "4.1.2"
     },
     "io": {
       "dependency": "transitive",
       "description": {
         "name": "io",
-        "sha256": "2ec25704aba361659e10e3e5f5d672068d332fc8ac516421d483a11e5cbd061e",
+        "sha256": "dfd5a80599cf0165756e3181807ed3e77daf6dd4137caaad72d0b7931597650b",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.0.4"
+      "version": "1.0.5"
     },
     "js": {
       "dependency": "transitive",
       "description": {
         "name": "js",
-        "sha256": "f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3",
+        "sha256": "c1b2e9b5ea78c45e1a0788d29606ba27dc5f71f019f32ca5140f61ef071838cf",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "0.6.7"
+      "version": "0.7.1"
     },
     "lints": {
       "dependency": "transitive",
@@ -194,41 +200,51 @@
       "dependency": "transitive",
       "description": {
         "name": "logging",
-        "sha256": "623a88c9594aa774443aa3eb2d41807a48486b5613e67599fb4c41c0ad47c340",
+        "sha256": "c8245ada5f1717ed44271ed1c26b8ce85ca3228fd2ffdb75468ab01979309d61",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.2.0"
+      "version": "1.3.0"
+    },
+    "macros": {
+      "dependency": "transitive",
+      "description": {
+        "name": "macros",
+        "sha256": "0acaed5d6b7eab89f63350bccd82119e6c602df0f391260d0e32b5e23db79536",
+        "url": "https://pub.dev"
+      },
+      "source": "hosted",
+      "version": "0.1.2-main.4"
     },
     "matcher": {
       "dependency": "direct dev",
       "description": {
         "name": "matcher",
-        "sha256": "1803e76e6653768d64ed8ff2e1e67bea3ad4b923eb5c56a295c3e634bad5960e",
+        "sha256": "dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "0.12.16"
+      "version": "0.12.17"
     },
     "meta": {
       "dependency": "transitive",
       "description": {
         "name": "meta",
-        "sha256": "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3",
+        "sha256": "e3641ec5d63ebf0d9b41bd43201a66e3fc79a65db5f61fc181f04cd27aab950c",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.9.1"
+      "version": "1.16.0"
     },
     "mime": {
       "dependency": "transitive",
       "description": {
         "name": "mime",
-        "sha256": "e4ff8e8564c03f255408decd16e7899da1733852a9110a58fe6d1b817684a63e",
+        "sha256": "41a20518f0cb1256669420fdba0cd90d21561e560ac240f26ef8322e45bb7ed6",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.0.4"
+      "version": "2.0.0"
     },
     "node_preamble": {
       "dependency": "transitive",
@@ -244,21 +260,21 @@
       "dependency": "transitive",
       "description": {
         "name": "package_config",
-        "sha256": "1c5b77ccc91e4823a5af61ee74e6b972db1ef98c2ff5a18d3161c982a55448bd",
+        "sha256": "92d4488434b520a62570293fbd33bb556c7d49230791c1b4bbd973baf6d2dc67",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "2.1.0"
+      "version": "2.1.1"
     },
     "path": {
       "dependency": "direct main",
       "description": {
         "name": "path",
-        "sha256": "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917",
+        "sha256": "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.8.3"
+      "version": "1.9.1"
     },
     "pool": {
       "dependency": "transitive",
@@ -273,31 +289,32 @@
     "protobuf": {
       "dependency": "direct main",
       "description": {
-        "path": "../protobuf",
-        "relative": true
+        "name": "protobuf",
+        "sha256": "68645b24e0716782e58948f8467fd42a880f255096a821f9e7d0ec625b00c84d",
+        "url": "https://pub.dev"
       },
-      "source": "path",
+      "source": "hosted",
       "version": "3.1.0"
     },
     "pub_semver": {
       "dependency": "transitive",
       "description": {
         "name": "pub_semver",
-        "sha256": "40d3ab1bbd474c4c2328c91e3a7df8c6dd629b79ece4c4bd04bee496a224fb0c",
+        "sha256": "7b3cfbf654f3edd0c6298ecd5be782ce997ddf0e00531b9464b55245185bbbbd",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "2.1.4"
+      "version": "2.1.5"
     },
     "shelf": {
       "dependency": "transitive",
       "description": {
         "name": "shelf",
-        "sha256": "ad29c505aee705f41a4d8963641f91ac4cee3c8fad5947e033390a7bd8180fa4",
+        "sha256": "e7dd780a7ffb623c57850b33f43309312fc863fb6aa3d276a754bb299839ef12",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.4.1"
+      "version": "1.4.2"
     },
     "shelf_packages_handler": {
       "dependency": "transitive",
@@ -313,184 +330,204 @@
       "dependency": "transitive",
       "description": {
         "name": "shelf_static",
-        "sha256": "a41d3f53c4adf0f57480578c1d61d90342cd617de7fc8077b1304643c2d85c1e",
+        "sha256": "c87c3875f91262785dade62d135760c2c69cb217ac759485334c5857ad89f6e3",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.1.2"
+      "version": "1.1.3"
     },
     "shelf_web_socket": {
       "dependency": "transitive",
       "description": {
         "name": "shelf_web_socket",
-        "sha256": "9ca081be41c60190ebcb4766b2486a7d50261db7bd0f5d9615f2d653637a84c1",
+        "sha256": "cc36c297b52866d203dbf9332263c94becc2fe0ceaa9681d07b6ef9807023b67",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.0.4"
+      "version": "2.0.1"
     },
     "source_map_stack_trace": {
       "dependency": "transitive",
       "description": {
         "name": "source_map_stack_trace",
-        "sha256": "84cf769ad83aa6bb61e0aa5a18e53aea683395f196a6f39c4c881fb90ed4f7ae",
-        "url": "https://pub.dev"
-      },
-      "source": "hosted",
-      "version": "2.1.1"
-    },
-    "source_maps": {
-      "dependency": "transitive",
-      "description": {
-        "name": "source_maps",
-        "sha256": "708b3f6b97248e5781f493b765c3337db11c5d2c81c3094f10904bfa8004c703",
-        "url": "https://pub.dev"
-      },
-      "source": "hosted",
-      "version": "0.10.12"
-    },
-    "source_span": {
-      "dependency": "transitive",
-      "description": {
-        "name": "source_span",
-        "sha256": "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c",
-        "url": "https://pub.dev"
-      },
-      "source": "hosted",
-      "version": "1.10.0"
-    },
-    "stack_trace": {
-      "dependency": "transitive",
-      "description": {
-        "name": "stack_trace",
-        "sha256": "73713990125a6d93122541237550ee3352a2d84baad52d375a4cad2eb9b7ce0b",
-        "url": "https://pub.dev"
-      },
-      "source": "hosted",
-      "version": "1.11.1"
-    },
-    "stream_channel": {
-      "dependency": "transitive",
-      "description": {
-        "name": "stream_channel",
-        "sha256": "ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7",
+        "sha256": "c0713a43e323c3302c2abe2a1cc89aa057a387101ebd280371d6a6c9fa68516b",
         "url": "https://pub.dev"
       },
       "source": "hosted",
       "version": "2.1.2"
     },
+    "source_maps": {
+      "dependency": "transitive",
+      "description": {
+        "name": "source_maps",
+        "sha256": "190222579a448b03896e0ca6eca5998fa810fda630c1d65e2f78b3f638f54812",
+        "url": "https://pub.dev"
+      },
+      "source": "hosted",
+      "version": "0.10.13"
+    },
+    "source_span": {
+      "dependency": "transitive",
+      "description": {
+        "name": "source_span",
+        "sha256": "254ee5351d6cb365c859e20ee823c3bb479bf4a293c22d17a9f1bf144ce86f7c",
+        "url": "https://pub.dev"
+      },
+      "source": "hosted",
+      "version": "1.10.1"
+    },
+    "stack_trace": {
+      "dependency": "transitive",
+      "description": {
+        "name": "stack_trace",
+        "sha256": "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1",
+        "url": "https://pub.dev"
+      },
+      "source": "hosted",
+      "version": "1.12.1"
+    },
+    "stream_channel": {
+      "dependency": "transitive",
+      "description": {
+        "name": "stream_channel",
+        "sha256": "4ac0537115a24d772c408a2520ecd0abb99bca2ea9c4e634ccbdbfae64fe17ec",
+        "url": "https://pub.dev"
+      },
+      "source": "hosted",
+      "version": "2.1.3"
+    },
     "string_scanner": {
       "dependency": "transitive",
       "description": {
         "name": "string_scanner",
-        "sha256": "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde",
+        "sha256": "921cd31725b72fe181906c6a94d987c78e3b98c2e205b397ea399d4054872b43",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.2.0"
+      "version": "1.4.1"
     },
     "term_glyph": {
       "dependency": "transitive",
       "description": {
         "name": "term_glyph",
-        "sha256": "a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84",
+        "sha256": "7f554798625ea768a7518313e58f83891c7f5024f88e46e7182a4558850a4b8e",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.2.1"
+      "version": "1.2.2"
     },
     "test": {
       "dependency": "direct dev",
       "description": {
         "name": "test",
-        "sha256": "9b0dd8e36af4a5b1569029949d50a52cb2a2a2fdaa20cebb96e6603b9ae241f9",
+        "sha256": "8391fbe68d520daf2314121764d38e37f934c02fd7301ad18307bd93bd6b725d",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.24.6"
+      "version": "1.25.14"
     },
     "test_api": {
       "dependency": "transitive",
       "description": {
         "name": "test_api",
-        "sha256": "5c2f730018264d276c20e4f1503fd1308dfbbae39ec8ee63c5236311ac06954b",
+        "sha256": "fb31f383e2ee25fbbfe06b40fe21e1e458d14080e3c67e7ba0acfde4df4e0bbd",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "0.6.1"
+      "version": "0.7.4"
     },
     "test_core": {
       "dependency": "transitive",
       "description": {
         "name": "test_core",
-        "sha256": "4bef837e56375537055fdbbbf6dd458b1859881f4c7e6da936158f77d61ab265",
+        "sha256": "84d17c3486c8dfdbe5e12a50c8ae176d15e2a771b96909a9442b40173649ccaa",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "0.5.6"
+      "version": "0.6.8"
     },
     "typed_data": {
       "dependency": "transitive",
       "description": {
         "name": "typed_data",
-        "sha256": "facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c",
+        "sha256": "f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.3.2"
+      "version": "1.4.0"
     },
     "vm_service": {
       "dependency": "transitive",
       "description": {
         "name": "vm_service",
-        "sha256": "c538be99af830f478718b51630ec1b6bee5e74e52c8a802d328d9e71d35d2583",
+        "sha256": "ddfa8d30d89985b96407efce8acbdd124701f96741f2d981ca860662f1c0dc02",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "11.10.0"
+      "version": "15.0.0"
     },
     "watcher": {
       "dependency": "transitive",
       "description": {
         "name": "watcher",
-        "sha256": "3d2ad6751b3c16cf07c7fca317a1413b3f26530319181b37e3b9039b84fc01d8",
+        "sha256": "69da27e49efa56a15f8afe8f4438c4ec02eff0a117df1b22ea4aad194fe1c104",
+        "url": "https://pub.dev"
+      },
+      "source": "hosted",
+      "version": "1.1.1"
+    },
+    "web": {
+      "dependency": "transitive",
+      "description": {
+        "name": "web",
+        "sha256": "cd3543bd5798f6ad290ea73d210f423502e71900302dde696f8bff84bf89a1cb",
         "url": "https://pub.dev"
       },
       "source": "hosted",
       "version": "1.1.0"
     },
+    "web_socket": {
+      "dependency": "transitive",
+      "description": {
+        "name": "web_socket",
+        "sha256": "3c12d96c0c9a4eec095246debcea7b86c0324f22df69893d538fcc6f1b8cce83",
+        "url": "https://pub.dev"
+      },
+      "source": "hosted",
+      "version": "0.1.6"
+    },
     "web_socket_channel": {
       "dependency": "transitive",
       "description": {
         "name": "web_socket_channel",
-        "sha256": "d88238e5eac9a42bb43ca4e721edba3c08c6354d4a53063afaa568516217621b",
+        "sha256": "9f187088ed104edd8662ca07af4b124465893caf063ba29758f97af57e61da8f",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "2.4.0"
+      "version": "3.0.1"
     },
     "webkit_inspection_protocol": {
       "dependency": "transitive",
       "description": {
         "name": "webkit_inspection_protocol",
-        "sha256": "67d3a8b6c79e1987d19d848b0892e582dbb0c66c57cc1fef58a177dd2aa2823d",
+        "sha256": "87d3f2333bb240704cd3f1c6b5b7acd8a10e7f0bc28c28dcf14e782014f4a572",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "1.2.0"
+      "version": "1.2.1"
     },
     "yaml": {
       "dependency": "transitive",
       "description": {
         "name": "yaml",
-        "sha256": "75769501ea3489fca56601ff33454fe45507ea3bfb014161abc3b43ae25989d5",
+        "sha256": "b9da305ac7c39faa3f030eccd175340f968459dae4af175130b3fc47e40d76ce",
         "url": "https://pub.dev"
       },
       "source": "hosted",
-      "version": "3.1.2"
+      "version": "3.1.3"
     }
   },
   "sdks": {
-    "dart": ">=3.0.0 <4.0.0"
+    "dart": ">=3.5.0 <4.0.0"
   }
 }
diff --git a/pkgs/development/tools/protoc-gen-dart/update.sh b/pkgs/development/tools/protoc-gen-dart/update.sh
index 5bea5f3bea84..888315460c49 100755
--- a/pkgs/development/tools/protoc-gen-dart/update.sh
+++ b/pkgs/development/tools/protoc-gen-dart/update.sh
@@ -5,14 +5,14 @@ set -xeu -o pipefail
 
 PACKAGE_DIR="$(realpath "$(dirname "$0")")"
 cd "$PACKAGE_DIR/.."
-while ! test -f flake.nix; do cd .. ; done
+while ! test -f flake.nix; do cd ..; done
 NIXPKGS_DIR="$PWD"
 
 version="$(
-  list-git-tags --url=https://github.com/google/protobuf.dart \
-  | rg '^protobuf-v(.*)' -r '$1' \
-  | sort --version-sort \
-  | tail -n1
+  list-git-tags --url=https://github.com/google/protobuf.dart |
+    rg '^protoc_plugin-v(.*)' -r '$1' |
+    sort --version-sort |
+    tail -n1
 )"
 
 cd "$NIXPKGS_DIR"
@@ -28,6 +28,6 @@ if ! test -f pubspec.lock; then
   dart pub update
 fi
 
-yq . pubspec.lock > "$PACKAGE_DIR/pubspec.lock.json"
+yq . pubspec.lock >"$PACKAGE_DIR/pubspec.lock.json"
 
 rm -rf "$TMPDIR"