diff --git a/pkgs/by-name/ni/nimmm/lock.json b/pkgs/by-name/ni/nimmm/lock.json
index fb705b4f4fd1..f21abc4d2954 100644
--- a/pkgs/by-name/ni/nimmm/lock.json
+++ b/pkgs/by-name/ni/nimmm/lock.json
@@ -1,17 +1,5 @@
 {
   "depends": [
-    {
-      "method": "fetchzip",
-      "packages": [
-        "lscolors"
-      ],
-      "path": "/nix/store/h2rqjnvjg3xihh88f2hm72506vpklilz-source",
-      "ref": "v0.3.3",
-      "rev": "668b46c835944254a445b9cc6dfb887e38fa13f1",
-      "sha256": "0526hqh46lcfsvymb67ldsc8xbfn24vicn3b8wrqnh6mag8wynf4",
-      "srcDir": "src",
-      "url": "https://github.com/joachimschmidt557/nim-lscolors/archive/668b46c835944254a445b9cc6dfb887e38fa13f1.tar.gz"
-    },
     {
       "method": "fetchzip",
       "packages": [
@@ -24,17 +12,29 @@
       "srcDir": "",
       "url": "https://github.com/dom96/nimbox/archive/6a56e76c01481176f16ae29b7d7c526bd83f229b.tar.gz"
     },
+    {
+      "method": "fetchzip",
+      "packages": [
+        "lscolors"
+      ],
+      "path": "/nix/store/7pk6334nqpy78l56v15mij0m7khq5skm-source",
+      "ref": "1.0.0",
+      "rev": "3aaaf0422fcf1e708b135e4118832ee6260277b3",
+      "sha256": "103x45z0bp4vh22hfnw2pgqfmgxlph9yd7lr09sggihvszj96r17",
+      "srcDir": "src",
+      "url": "https://github.com/joachimschmidt557/nim-lscolors/archive/3aaaf0422fcf1e708b135e4118832ee6260277b3.tar.gz"
+    },
     {
       "method": "fetchzip",
       "packages": [
         "wcwidth"
       ],
       "path": "/nix/store/inpq6nm27r7ixyjsdsm4sg6qna7d2vbc-source",
-      "ref": "v0.1.3",
-      "rev": "fd60d2dd10fd945a471450551ba471c3be80df52",
+      "ref": "v0.1.3^{}",
+      "rev": "86f8db1a883f6a64e590a56aed81e788389b7196",
       "sha256": "06b9ylqbjcxgm9mjfzljbi8gr9sbajykcqpcxgyqymynqyhxmqjn",
       "srcDir": "src",
-      "url": "https://github.com/shoyu777/wcwidth-nim/archive/fd60d2dd10fd945a471450551ba471c3be80df52.tar.gz"
+      "url": "https://github.com/shoyu777/wcwidth-nim/archive/86f8db1a883f6a64e590a56aed81e788389b7196.tar.gz"
     }
   ]
 }
diff --git a/pkgs/by-name/ni/nimmm/package.nix b/pkgs/by-name/ni/nimmm/package.nix
index 266c29883a8d..7b72f4a07749 100644
--- a/pkgs/by-name/ni/nimmm/package.nix
+++ b/pkgs/by-name/ni/nimmm/package.nix
@@ -2,13 +2,13 @@
 
 buildNimPackage (finalAttrs: {
   pname = "nimmm";
-  version = "0.3.0";
+  version = "0.4.0";
 
   src = fetchFromGitHub {
     owner = "joachimschmidt557";
     repo = "nimmm";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-gRQWReZP7bpGX9fvueQaQkX8yMmngT5DT3o4ly9Ux1g=";
+    hash = "sha256-yq91rQlX6bfYHHw72+8m53PCD7hViLe56jAwPTeBBcg=";
   };
 
   lockFile = ./lock.json;
@@ -16,7 +16,7 @@ buildNimPackage (finalAttrs: {
   buildInputs = [ termbox pcre ];
 
   meta = {
-    description = "Terminal file manager written in Nim";
+    description = "Terminal file manager for Linux";
     mainProgram = "nimmm";
     homepage = "https://github.com/joachimschmidt557/nimmm";
     license = lib.licenses.gpl3;