diff --git a/external/implot/CMakeLists.txt b/external/implot/CMakeLists.txt
index 49a127b..9cc0788 100644
--- a/external/implot/CMakeLists.txt
+++ b/external/implot/CMakeLists.txt
@@ -9,7 +9,6 @@ if (NOT TARGET implot)
 		#GIT_TAG 193b9d8f92c4a437e84182b171f1ae266e72321f # 05-03-2025
 		GIT_TAG 3da8bd34299965d3b0ab124df743fe3e076fa222 # 19-03-2025
 		EXCLUDE_FROM_ALL
-		CONFIGURE_COMMAND "" # no cmake
 	)
 
 	FetchContent_GetProperties(implot)
diff --git a/flake.lock b/flake.lock
index 72d9027..8011f98 100644
--- a/flake.lock
+++ b/flake.lock
@@ -54,16 +54,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1751290243,
-        "narHash": "sha256-kNf+obkpJZWar7HZymXZbW+Rlk3HTEIMlpc6FCNz0Ds=",
+        "lastModified": 1754292888,
+        "narHash": "sha256-1ziydHSiDuSnaiPzCQh1mRFBsM2d2yRX9I+5OPGEmIE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5ab036a8d97cb9476fbe81b09076e6e91d15e1b6",
+        "rev": "ce01daebf8489ba97bd1609d185ea276efdeb121",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "release-24.11",
+        "ref": "release-25.05",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 8370aa8..1d5fdd9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -6,7 +6,7 @@
   # $ nix bundle --bundler github:ralismark/nix-appimage 'git+file:///home/green/workspace/tox/tomato?submodules=1#'
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/release-24.11";
+    nixpkgs.url = "github:NixOS/nixpkgs/release-25.05";
     flake-utils.url = "github:numtide/flake-utils";
     nlohmann-json = {
       url = "github:nlohmann/json/v3.11.3"; # TODO: read version from file