diff --git a/.gitignore b/.gitignore
index f1f10f4..521b5a4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,7 +10,7 @@
 /c.out
 /data/*
 /delta/applied/*
-/dist/*
+/dist/
 /domainify
 /go.work
 /node_modules/*
diff --git a/.goreleaser.yaml b/.goreleaser.yaml
new file mode 100644
index 0000000..fbb0458
--- /dev/null
+++ b/.goreleaser.yaml
@@ -0,0 +1,46 @@
+version: 1
+
+before:
+  hooks:
+    - go mod tidy
+
+builds:
+  - env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - windows
+      - darwin
+
+archives:
+  - format: tar.gz
+    # this name template makes the OS and Arch compatible with the results of `uname`.
+    name_template: >-
+      {{ .ProjectName }}_
+      {{- title .Os }}_
+      {{- if eq .Arch "amd64" }}x86_64
+      {{- else if eq .Arch "386" }}i386
+      {{- else }}{{ .Arch }}{{ end }}
+      {{- if .Arm }}v{{ .Arm }}{{ end }}
+    # use zip for windows archives
+    format_overrides:
+      - goos: windows
+        format: zip
+
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - "^docs:"
+      - "^test:"
+
+release:
+  github:
+    owner: ProfoundNetworks
+    name: domainify
+
+env_files:
+  github_token: ~/.gh_goreleaser
+
+# yaml-language-server: $schema=https://goreleaser.com/static/schema.json
+# vim: set ts=2 sw=2 tw=0 fo=cnqoj
diff --git a/README.md b/README.md
index a9b61f8..8ddae3f 100644
--- a/README.md
+++ b/README.md
@@ -14,13 +14,11 @@ used by browsers for restricting the scope of cookies across hostnames.
 Usage
 -----
 
-domainify takes hostnames as arguments, and outputs entity domains to
-standard output, one entity domain per line. A bad hostname or an error
-mapping to an entity domain will result in a blank line being output for
-that input.
-
-Arguments can be givin either as command line arguments, or via standard
-input, one hostname per line, with the `--stdin`  option.
+`domainify` takes hostnames as command line arguments or from stdin (with
+the `--stdin` option, and outputs entity domains to standard output, one
+domain per line. A bad hostname or an error mapping a hostname to an entity
+domain will result in a blank line being output for that input (and sometimes
+an error message to standard error).
 
 For example:
 
@@ -33,7 +31,7 @@ profound.net
 
 wikipedia.org
 
-$ echo -e "hosted.l.google.com\ncom\n31.pool85-61-184.dynamic.orange.es" |
+$ echo -e "hosted.l.google.com\ncom\npool85-61.dynamic.orange.es" |
   domainify --stdin
 google.com
 
diff --git a/go.mod b/go.mod
index 6e1b17f..ca9dd85 100644
--- a/go.mod
+++ b/go.mod
@@ -3,12 +3,12 @@ module github.com/ProfoundNetworks/domainify
 go 1.22.1
 
 require (
+	github.com/ProfoundNetworks/gpntest v0.0.0-20230919053257-5438c4e72e65
 	github.com/ProfoundNetworks/gpnutil v0.20240405.1
 	github.com/jessevdk/go-flags v1.5.0
 )
 
 require (
-	github.com/ProfoundNetworks/gpntest v0.0.0-20230919053257-5438c4e72e65 // indirect
 	github.com/ProfoundNetworks/net v0.0.0-20240405052550-5a324bbc9278 // indirect
 	github.com/adrg/strutil v0.3.1 // indirect
 	github.com/google/go-cmp v0.5.9 // indirect