diff --git a/.github/workflows/cachix.yml b/.github/workflows/cachix.yml
index 848904c..77c01e4 100644
--- a/.github/workflows/cachix.yml
+++ b/.github/workflows/cachix.yml
@@ -1,7 +1,15 @@
 name: "Build and push to cachix"
+
 on:
-  pull_request:
   push:
+    branches:
+      - main
+    paths-ignore:
+      - '**/*.md'
+      - '*.md'
+      - 'LICENSE'
+  workflow_dispatch:
+
 jobs:
   build:
     runs-on: ubuntu-latest
diff --git a/README.md b/README.md
index 56b27e0..d100a78 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ The configuration is very specific to my own machines and setup, but it may be a
 To run a rebuild:
 
 ```sh
-make switch
+make
 ```
 
 ## Update
diff --git a/common/packages.nix b/common/packages.nix
index e8bf6de..ead3765 100644
--- a/common/packages.nix
+++ b/common/packages.nix
@@ -87,6 +87,7 @@ in
         golangci-lint
         golint
         gopls
+        gofumpt
 
         # js
         nodePackages.prettier