diff --git a/pkgs/by-name/pr/promexplorer/lock.json b/pkgs/by-name/pr/promexplorer/lock.json
new file mode 100644
index 000000000000..b4df2eff89fd
--- /dev/null
+++ b/pkgs/by-name/pr/promexplorer/lock.json
@@ -0,0 +1,16 @@
+{
+  "depends": [
+    {
+      "method": "fetchzip",
+      "packages": [
+        "illwill"
+      ],
+      "path": "/nix/store/3lmm3z36qn4gz7bfa209zv0pqrpm3di9-source",
+      "ref": "v0.3.2",
+      "rev": "1d12cb36ab7b76c31d2d25fa421013ecb382e625",
+      "sha256": "0f9yncl5gbdja18mrqf5ixrdgrh95k0khda923dm1jd1x1b7ar8z",
+      "srcDir": "",
+      "url": "https://github.com/johnnovak/illwill/archive/1d12cb36ab7b76c31d2d25fa421013ecb382e625.tar.gz"
+    }
+  ]
+}
diff --git a/pkgs/tools/misc/promexplorer/default.nix b/pkgs/by-name/pr/promexplorer/package.nix
similarity index 73%
rename from pkgs/tools/misc/promexplorer/default.nix
rename to pkgs/by-name/pr/promexplorer/package.nix
index 3f02597bbcff..d0443ecf1aa6 100644
--- a/pkgs/tools/misc/promexplorer/default.nix
+++ b/pkgs/by-name/pr/promexplorer/package.nix
@@ -1,16 +1,15 @@
-{ lib, nimPackages, fetchFromGitHub }:
-nimPackages.buildNimPackage rec {
+{ lib, buildNimPackage, fetchFromGitHub }:
+buildNimPackage (finalAttrs: {
   pname = "promexplorer";
   version = "0.0.5";
-  nimBinOnly = true;
   src = fetchFromGitHub {
     owner = "marcusramberg";
     repo = "promexplorer";
-    rev = "v${version}";
+    rev = "v${finalAttrs.version}";
     hash = "sha256-a+9afqdgLgGf2hOWf/QsElq+CurDfE1qDmYCzodZIDU=";
   };
 
-  buildInputs = with nimPackages; [ illwill illwillwidgets ];
+  lockFile = ./lock.json;
 
   meta = with lib; {
     description = "A simple tool to explore prometheus exporter metrics";
@@ -20,4 +19,4 @@ nimPackages.buildNimPackage rec {
     maintainers = with maintainers; [ marcusramberg ];
     mainProgram = "promexplorer";
   };
-}
+})
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 26227fb8ce15..13bbdd5c1ec8 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11332,8 +11332,6 @@ with pkgs;
 
   present-cli = callPackage ../tools/misc/present-cli { };
 
-  promexplorer = callPackage ../tools/misc/promexplorer { };
-
   pulsemixer = callPackage ../tools/audio/pulsemixer { };
 
   pwsafe = callPackage ../applications/misc/pwsafe { };