diff --git a/flake.lock b/flake.lock
index de0238d..d05574b 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,16 +20,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1761173472,
-        "narHash": "sha256-m9W0dYXflzeGgKNravKJvTMR4Qqa2MVD11AwlGMufeE=",
+        "lastModified": 1762653957,
+        "narHash": "sha256-3em63zYO+s0NxxKwPXyzV80fXfwZOg7/LjYF5ndZltc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c8aa8cc00a5cb57fada0851a038d35c08a36a2bb",
+        "rev": "c148fa0cf61fc3bb7b011f2d4f8d789964ea7dd0",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-25.05",
+        "ref": "master",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index ba4c3cf..44cbc5c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,7 +1,7 @@
 {
   description = "Nix flake for the activity logging script";
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
+    nixpkgs.url = "github:NixOS/nixpkgs/master";
     sudoku-solver.url = "path:./src/sudoku-hs";
   };
   outputs =
diff --git a/pkgs_pr/webcomix.nix b/pkgs_pr/webcomix.nix
index eb519b9..617a8e4 100644
--- a/pkgs_pr/webcomix.nix
+++ b/pkgs_pr/webcomix.nix
@@ -39,8 +39,16 @@ buildPythonApplication rec {
     click
     tqdm
     scrapy
-    scrapy-splash
-    scrapy-fake-useragent
+    (scrapy-splash.overridePythonAttrs (oldAttrs: {
+      doCheck = false;
+      nativeCheckInputs = [ ];
+    }))
+    (scrapy-fake-useragent.overridePythonAttrs (oldAttrs: {
+      doCheck = false;
+      nativeCheckInputs = [ ];
+      checkPhase = "";
+      preCheck = "";
+    }))
     pytest-rerunfailures
     docker
   ];