diff --git a/.github/workflows/update.yaml b/.github/workflows/update.yaml
deleted file mode 100644
index 2d1c06e..0000000
--- a/.github/workflows/update.yaml
+++ /dev/null
@@ -1,25 +0,0 @@
----
-name: update treesitter grammars
-on:
-  workflow_dispatch:
-  schedule:
-    - cron: "0 3 * * 0"
-jobs:
-  update:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-      pull-requests: write
-    steps:
-      - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@main
-      - uses: DeterminateSystems/flakehub-cache-action@main
-      - run: nix flake update
-      - run: nix develop --command "generate-parsers"
-      - uses: peter-evans/create-pull-request@v7
-        with:
-          token: ${{ secrets.PAT }}
-          branch: ci/update
-          commit-message: "chore: update flake inputs + generated.nix"
-          title: "chore: update flake inputs + generated.nix"
-          body: "This PR is auto-generated."
diff --git a/README.md b/README.md
index 88bf18a..b879fab 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ overlays = [
       f: p: {
         nvim-treesitter = p.nvim-treesitter.withAllGrammars; # or withPlugins...
         # also redefine nvim-treesitter-textobjects (any other plugins that depend on nvim-treesitter)
-        nvim-treesitter-textobjects = p.nvim-treesitter-textobjects.overrideAttrs {
+        nvim-treesitter-textobjects = p.nvim-treesitter-textobjects.override {
           dependencies = [ f.nvim-treesitter ];
         };
       }