diff --git a/flake.lock b/flake.lock
index b8aa739..9889bc3 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,16 +2,16 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1788297115,
-        "narHash": "sha256-Z+vUNbfd2FIKkWOTkcT7RYlh3oFCnig/d2eXD1SWf2E=",
+        "lastModified": 1788752844,
+        "narHash": "sha256-VaWGJ6+cIYN2erfSecbRV+4ljI185Ty2wUrXyvQbgOw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a3116115851d68b8952a2a4221cc25a84e56b532",
+        "rev": "dc5d91f840324650bac8c379428c7037a416959a",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-26.05",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 2f4d06c..c0091cc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,6 +1,6 @@
 {
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-26.05";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
   };
   outputs =
     { self, nixpkgs, ... }:
diff --git a/overlays.nix b/overlays.nix
index 4918c98..850a455 100644
--- a/overlays.nix
+++ b/overlays.nix
@@ -7,7 +7,7 @@ let
       edalize = final: _: final.callPackage ./pkgs/edalize.nix { };
       leaf-markdown = final: _: final.callPackage ./pkgs/leaf.nix { };
       naturaldocs = final: _: final.callPackage ./pkgs/naturaldocs.nix { };
-      slang-server = final: _: final.callPackage ./pkgs/slangServer/slangServer.nix { };
+      slang-server = final: _: final.callPackage ./pkgs/slangServer.nix { };
       ttf2psf = final: _: final.callPackage ./pkgs/ttf2psf.nix { };
       veadotube = final: _: final.callPackage ./pkgs/veadotube.nix { };
       proton-wineland-bin = final: _: final.callPackage ./pkgs/proton-wineland-bin.nix { };
diff --git a/pkgs/slangServer/slangServer.nix b/pkgs/slangServer.nix
similarity index 58%
rename from pkgs/slangServer/slangServer.nix
rename to pkgs/slangServer.nix
index c582e01..66160ca 100644
--- a/pkgs/slangServer/slangServer.nix
+++ b/pkgs/slangServer.nix
@@ -3,7 +3,6 @@
   catch2_3,
   cmake,
   cpptrace,
-  fetchFromGitHub,
   fetchgit,
   fmt,
   mimalloc,
@@ -13,11 +12,11 @@
 }:
 stdenv.mkDerivation (finalAttrs: {
   pname = "slang-server";
-  version = "0.2.9";
+  version = "0.2.10";
   src = fetchgit {
     url = "https://github.com/hudson-trading/slang-server";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-6Lc9rS8FEUSYcr2ulRqez7Of3awsxw3T6DsvZr9sVWI=";
+    hash = "sha256-hyKiEtUpLkXYbwh9KKDc26EgZbC1bvf0hV5tM8p5vVU=";
     fetchSubmodules = true;
   };
   nativeBuildInputs = [
@@ -28,28 +27,13 @@ stdenv.mkDerivation (finalAttrs: {
     mimalloc
     python3
     tomlplusplus
-    (fmt.overrideAttrs (
-      final: prev: {
-        version = "12.2.0";
-        src = fetchFromGitHub {
-          owner = "fmtlib";
-          repo = "fmt";
-          rev = final.version;
-          hash = "sha256-Tc7PmNxUv7ajw6GaHPGEEtrD/fl6is7RB8TPestJa1o=";
-        };
-      }
-    )).dev
+    fmt.dev
   ];
   cmakeFlags = [
-    "-DCMAKE_DISABLE_FIND_PACKAGE_fmt=0"
     "-DSLANG_SERVER_INCLUDE_TESTS=0"
-    "-DSLANG_USE_SYSTEM_FMT=1"
+    "-DSLANG_SERVER_USE_SYSTEM_FMT=1"
     "-DSLANG_USE_SYSTEM_BOOST=1"
   ];
-  patches = [ ./findfmt.patch ];
-  CXXFLAGS = [
-    "-Wno-error=maybe-uninitialized"
-  ];
   meta = {
     homepage = "https://hudson-trading.github.io/slang-server";
     description = "A high-performance LSP implementation for SystemVerilog, built on top of the Slang frontend";
diff --git a/pkgs/slangServer/findfmt.patch b/pkgs/slangServer/findfmt.patch
deleted file mode 100644
index 6df7cbe..0000000
--- a/pkgs/slangServer/findfmt.patch
+++ /dev/null
@@ -1,15 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 2fc0314..b797a28 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -83,6 +83,10 @@ if(SLANG_SERVER_MASTER_PROJECT AND NOT DEFINED CMAKE_DISABLE_FIND_PACKAGE_fmt)
-   set(CMAKE_DISABLE_FIND_PACKAGE_fmt TRUE)
- endif()
- 
-+if(NOT CMAKE_DISABLE_FIND_PACKAGE_fmt)
-+  find_package(fmt 12.2.0)
-+endif()
-+
- if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
-   # This ensures that *all* targets (including slang and reflect-cpp) use the
-   # default Apple C++ runtime, preventing dynamic link conflicts.