diff --git a/flake.lock b/flake.lock
index 26c638d..96d0c52 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1209,11 +1209,11 @@
       },
       "locked": {
         "dir": "nix",
-        "lastModified": 1726527644,
-        "narHash": "sha256-WAruDParTj7AY16SNjTDPgXf54vJCQRpRAiED3x9FIM=",
+        "lastModified": 1727122609,
+        "narHash": "sha256-M6tkMDvt4zOoYAhBOCFxFQGjORhhjZbWMC+0tPnHkxU=",
         "owner": "daylinmorgan",
         "repo": "tsm",
-        "rev": "5991d93bcb216c4cd5345296111fee7027be29cf",
+        "rev": "e8539740f6faf49404f30225607edbad58c34962",
         "type": "github"
       },
       "original": {
diff --git a/pkgs/nim/nimlangserver/default.nix b/pkgs/nim/nimlangserver/default.nix
index dcec851..5abf76c 100644
--- a/pkgs/nim/nimlangserver/default.nix
+++ b/pkgs/nim/nimlangserver/default.nix
@@ -1,15 +1,16 @@
 { fetchFromGitHub, buildNimPackage }:
-buildNimPackage{
+buildNimPackage( finalAttrs:  {
   pname = "nimlangserver";
-  version = "unstable";
+  version = "1.6.0";
   src = fetchFromGitHub {
-    owner = "daylinmorgan";
+    owner = "nim-lang";
     repo = "langserver";
-    rev = "26b333d0c8d62ba947a9ce9fbd59a7a77766872c";
-    # rev = "v${version}";
-    hash = "sha256-XFgA0yOfE34+bZxBgOdoK+5CWhxvppzl8QSQx1TTPpQ=";
+    # rev = "26b333d0c8d62ba947a9ce9fbd59a7a77766872c";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-rTlkbNuJbL9ke1FpHYVYduiYHUON6oACg20pBs0MaP4=";
   };
 
   doCheck = false;
   lockFile = ./lock.json;
 }
+)