diff --git a/flake.lock b/flake.lock
index ab0b733..5f13307 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1727065772,
-        "narHash": "sha256-U9baiEXL2YsS67QKlBAPIUq+OB+eUPKv8n1vGNdhiec=",
+        "lastModified": 1728001300,
+        "narHash": "sha256-W7PYJ6s+A91V1WZOTef8y3t1BGQKCfcLtHjOKcP5ScA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "989dc4cbf6a95f2e5fefc8cd61d2198a8fb6834a",
+        "rev": "e00cc9f2fa7eaac3232e0de9b0b86dfd58b1f43c",
         "type": "github"
       },
       "original": {
@@ -17,11 +17,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1726481836,
-        "narHash": "sha256-MWTBH4dd5zIz2iatDb8IkqSjIeFum9jAqkFxgHLdzO4=",
+        "lastModified": 1726871744,
+        "narHash": "sha256-V5LpfdHyQkUF7RfOaDPrZDP+oqz88lTJrMT1+stXNwo=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "20f9370d5f588fb8c72e844c54511cab054b5f40",
+        "rev": "a1d92660c6b3b7c26fb883500a80ea9d33321be2",
         "type": "github"
       },
       "original": {
@@ -58,11 +58,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1726734507,
-        "narHash": "sha256-VUH5O5AcOSxb0uL/m34dDkxFKP6WLQ6y4I1B4+N3L2w=",
+        "lastModified": 1727984844,
+        "narHash": "sha256-xpRqITAoD8rHlXQafYZOLvUXCF6cnZkPfoq67ThN0Hc=",
         "owner": "numtide",
         "repo": "treefmt-nix",
-        "rev": "ee41a466c2255a3abe6bc50fc6be927cdee57a9f",
+        "rev": "4446c7a6fc0775df028c5a3f6727945ba8400e64",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 33adc34..e414d26 100644
--- a/flake.nix
+++ b/flake.nix
@@ -24,8 +24,8 @@
 
         stdenv =
           if pkgs.hostPlatform.isLinux
-          then pkgs.stdenvAdapters.useMoldLinker pkgs.llvmPackages_18.libcxxStdenv
-          else pkgs.llvmPackages_18.libcxxStdenv;
+          then pkgs.stdenvAdapters.useMoldLinker pkgs.llvmPackages_19.libcxxStdenv
+          else pkgs.llvmPackages_19.libcxxStdenv;
 
         sources = import ./_sources/generated.nix {
           inherit (pkgs) fetchFromGitHub fetchgit fetchurl dockerTools;
@@ -89,7 +89,7 @@
 
               clang-format = {
                 enable = true;
-                package = pkgs.llvmPackages_18.clang-tools;
+                package = pkgs.llvmPackages_19.clang-tools;
               };
             };
           };
@@ -99,7 +99,7 @@
               [
                 alejandra
                 bear
-                (llvmPackages_18.clang-tools.override {enableLibcxx = true;})
+                (llvmPackages_19.clang-tools.override {enableLibcxx = true;})
                 lldb
                 meson
                 ninja
@@ -126,7 +126,7 @@
               in "${linuxPackages_latest.nvidia_x11}/share/vulkan/icd.d/nvidia_icd.x86_64.json:${vulkanPaths}";
 
             shellHook = ''
-              export PATH="${llvmPackages_18.clang-tools.override {enableLibcxx = true;}}/bin:$PATH"
+              export PATH="${llvmPackages_19.clang-tools.override {enableLibcxx = true;}}/bin:$PATH"
             '';
 
             name = "C++";
diff --git a/src/main.cpp b/src/main.cpp
index 3f52b61..f105a9f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -110,6 +110,7 @@ class VulkanApp {
     vkfw::WindowHints hints;
 
     hints.clientAPI = vkfw::ClientAPI::eNone;
+    hints.resizable = false;
 
     mWindow = vkfw::createWindowUnique(WIDTH, HEIGHT, "Vulkan", hints);
   }
@@ -597,8 +598,8 @@ class VulkanApp {
     return mDevice->createShaderModuleUnique(createInfo);
   }
 
-  static fn chooseSwapSurfaceFormat(const std::vector<vk::SurfaceFormatKHR>& availableFormats
-  ) -> vk::SurfaceFormatKHR {
+  static fn chooseSwapSurfaceFormat(const std::vector<vk::SurfaceFormatKHR>& availableFormats)
+    -> vk::SurfaceFormatKHR {
     for (const auto& availableFormat : availableFormats)
       if (availableFormat.format == vk::Format::eB8G8R8A8Srgb &&
           availableFormat.colorSpace == vk::ColorSpaceKHR::eSrgbNonlinear)
@@ -607,8 +608,8 @@ class VulkanApp {
     return availableFormats[0];
   }
 
-  static fn chooseSwapPresentMode(const std::vector<vk::PresentModeKHR>& availablePresentModes
-  ) -> vk::PresentModeKHR {
+  static fn chooseSwapPresentMode(const std::vector<vk::PresentModeKHR>& availablePresentModes)
+    -> vk::PresentModeKHR {
     for (const auto& availablePresentMode : availablePresentModes)
       if (availablePresentMode == vk::PresentModeKHR::eMailbox)
         return availablePresentMode;