diff --git a/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix b/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
index fd9e1cdd9795..26bac3bae58c 100644
--- a/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
+++ b/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
@@ -80,9 +80,9 @@
   };
 
   css = {
-    version = "0.23.2";
+    version = "0.25.0";
     url = "github:tree-sitter/tree-sitter-css";
-    hash = "sha256-LP2UBU/RgZCnVwCnM7bQv6DZHmDrqdCjynV6Jv1PsjA=";
+    hash = "sha256-jFsnEyS+FThk7L48FzAdSp5fNPSLvM8hTL/VC5FMlOE=";
   };
 
   cuda = {