diff --git a/pkgs/by-name/ni/nimble/lock.json b/pkgs/by-name/ni/nimble/lock.json
deleted file mode 100644
index 14fde9f99106..000000000000
--- a/pkgs/by-name/ni/nimble/lock.json
+++ /dev/null
@@ -1,28 +0,0 @@
-{
-  "depends": [
-    {
-      "method": "fetchzip",
-      "path": "/nix/store/6aph9sfwcws7pd2725fwjnibdfrv7qmw-source",
-      "rev": "f8f6bd34bfa3fe12c64b919059ad856a96efcba0",
-      "sha256": "11m1rb6rzk70kvskppf97ddzgf5fnh9crjziqc6hib0jgsm5d615",
-      "srcDir": "src",
-      "url": "https://github.com/nim-lang/checksums/archive/f8f6bd34bfa3fe12c64b919059ad856a96efcba0.tar.gz",
-      "subDir": "",
-      "packages": [
-        "checksums"
-      ]
-    },
-    {
-      "method": "fetchzip",
-      "path": "/nix/store/lwg9fm34h5xv0dvxij9r5m2y6pn1zsvx-source",
-      "rev": "faf1617f44d7632ee9601ebc13887644925dcc01",
-      "sha256": "1dxbc41wbvkpdp6q3qz1r38lpn32447qkkgyh2s12ym6bx4ynni4",
-      "srcDir": "src",
-      "url": "https://github.com/nim-lang/sat/archive/faf1617f44d7632ee9601ebc13887644925dcc01.tar.gz",
-      "subDir": "",
-      "packages": [
-        "sat"
-      ]
-    }
-  ]
-}
diff --git a/pkgs/by-name/ni/nimble/package.nix b/pkgs/by-name/ni/nimble/package.nix
index 1854c005b0e9..e059d8bdf249 100644
--- a/pkgs/by-name/ni/nimble/package.nix
+++ b/pkgs/by-name/ni/nimble/package.nix
@@ -10,17 +10,16 @@
 buildNimPackage (
   final: prev: {
     pname = "nimble";
-    version = "0.16.2";
+    version = "0.16.3";
 
     src = fetchFromGitHub {
       owner = "nim-lang";
       repo = "nimble";
       rev = "v${final.version}";
-      hash = "sha256-MVHf19UbOWk8Zba2scj06PxdYYOJA6OXrVyDQ9Ku6Us=";
+      hash = "sha256-1tO/6sKPjmu9B6/cF00DeY/mnUHi2Y+hTEZ3WCqKoGw=";
+      fetchSubmodules = true;
     };
 
-    lockFile = ./lock.json;
-
     nativeBuildInputs = [ makeWrapper ];
     buildInputs = [ openssl ];