diff --git a/go.mod b/go.mod
index 09ddd87..3fdacca 100644
--- a/go.mod
+++ b/go.mod
@@ -1,4 +1,4 @@
-module github.com/mitchellh/tack
+module go.mitchellh.com/tack
 
 go 1.25.7
 
diff --git a/http.go b/http.go
index 0341b6b..21e61d2 100644
--- a/http.go
+++ b/http.go
@@ -31,7 +31,7 @@ import (
 	"github.com/gorilla/websocket"
 	"tangled.org/core/api/tangled"
 
-	"github.com/mitchellh/tack/internal/buildkite"
+	"go.mitchellh.com/tack/internal/buildkite"
 )
 
 // runHTTP starts the spindle's HTTP server and blocks until ctx is
diff --git a/main.go b/main.go
index 5d6adb3..a295b6a 100644
--- a/main.go
+++ b/main.go
@@ -16,7 +16,7 @@ import (
 
 	charmlog "github.com/charmbracelet/log"
 
-	"github.com/mitchellh/tack/internal/buildkite"
+	"go.mitchellh.com/tack/internal/buildkite"
 )
 
 // config is the runtime configuration, sourced from environment variables and
diff --git a/provider_buildkite.go b/provider_buildkite.go
index 8dd0c9d..df0655d 100644
--- a/provider_buildkite.go
+++ b/provider_buildkite.go
@@ -29,7 +29,7 @@ import (
 	"go.yaml.in/yaml/v2"
 	"tangled.org/core/api/tangled"
 
-	"github.com/mitchellh/tack/internal/buildkite"
+	"go.mitchellh.com/tack/internal/buildkite"
 )
 
 // Buildkite-side meta_data keys carrying the Tangled identity of a
diff --git a/provider_buildkite_test.go b/provider_buildkite_test.go
index 272c83f..fc3d896 100644
--- a/provider_buildkite_test.go
+++ b/provider_buildkite_test.go
@@ -22,7 +22,7 @@ import (
 
 	"tangled.org/core/api/tangled"
 
-	"github.com/mitchellh/tack/internal/buildkite"
+	"go.mitchellh.com/tack/internal/buildkite"
 )
 
 // newBuildkiteTestProvider wires a buildkiteProvider against an